Supplementary： The relationship between the facial expression of people in university campus and Host- city variables Hongxu Wei 1, Richard J. Hauer 2 and Xuquan Zhai 3,* 1 Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China; [email protected] 2 College of Natural Resources, University of Wisconsin–Stevens Point, 800 Reserve St., Stevens Point, WI 54481, United States; [email protected] 3 China Center for Public Sector Economy Research, Jilin University, Room 3007, Kuang, Yaming Building, 2699 Qianjin Road, Chaoyang District, Changchun 130012, China, Changchun 130012, China; * Correspondence: [email protected]; Tel.: +86-431-8516-8829 Figure S1. The panel of FireFACETM-V1.0 to recognize photos with typically happy, sad, and neutral facial expressions. The model is Ryōko Hirosue from Japan. Photos are downloaded from following websites: Happy: https://images.app.goo.gl/Kh5FgWEMMSPUa3sD9 Sad: https://images.app.goo.gl/GazwjvTh8a6qiyBa9 Neutral: https://images.app.goo.gl/Hn2gtLonVpoLd5o27 Figure S2. The copyright of the FireFACETM-V1.0 software that is authorized in mainland China. Table S1. The list of key universities in the 211-Project of mainland China with Province and City names. Rank Province City University name 1 Anhui University 2 Anhui Hefei Hefei University of Technology 3 University of Science and Technology of China 4 Beijing Foreign Studies University 5 Beijing Forestry University 6 Beijing Institute of Technology 7 Beijing Jiaotong University 8 Beijing Normal University 9 Beijing Sport University 10 Beijing University of Aeronautics and Astronautics Beijing 11 Beijing University of Chemical Technology 12 Beijing University of Chinese Medicine 13 Beijing University of Posts and Telecommunications 14 Beijing University of Technology 15 Central Conservatory of Music 16 Central University of Finance and Economics 17 China Agricultural University 18 China Mining University (Beijing) 19 China University of Geosciences (Beijing) 20 China University Of Petroleum (Beijing) 21 China University of Political Science and Law 22 Communication University of China 23 Minzu University of China 24 North China Electric Power University 25 Peking University 26 Renmin University of China 27 Tsinghua University 28 University of International Business and Economics 29 University of Science and Technology Beijing 30 Chongqing University Chongqing 31 Southwest University 32 Fuzhou Fuzhou University Fujian 33 Xiamen Xiamen University 34 Gansu Lanzhou Lanzhou Universtiy 35 Zhongshan University 36 Ji'nan University 37 Guangdong Guangzhou South China Normal University 38 South China University of Technology 39 Traditional Chinese Medicine University of Guangzhou 40 Guangxi Nanning Guangxi University 41 Guizhou Guiyang Guizhou University 42 Harbin Engineering University 43 Harbin Institute of Technology Heilongjiang Harbin 44 Northeast Agricultural University 45 Northeast Forestry University 46 Henan Zhengzhou Zhengzhou University 47 Central China Normal University 48 Huazhong Agricultural University 49 Huazhong University of Science and Technology Hubei Wuhan 50 Wuhan University 51 Wuhan University of Technology 52 Zhongnan University of Economics and Law 53 Hunan Normal University 54 Hunan Changsha Hunan University 55 Zhongnan University 56 Inner Mongolia Hohhot Inner Mongolia University 57 China Pharmaceutical University 58 Hohai Universtiy 59 Nanjing Agricultural University 60 Nanjing Nanjing University 61 Jiangsu Nanjing University of Aeronautics and Astronautics 62 Nanjing University of Science and Technology 63 Southeast University 64 Suzhou Suzhou University 65 Wuxi Jiangnan University 66 Jiangxi Nanchang Nanchang University 67 Northeast Normal University Jilin Changchun 68 Jilin University 69 Dalian University of Technology Dalian 70 Daliann Maritime University Liaoning 71 Liaoning University Shenyang 72 Northeastern University 73 Chang'an University 74 Northwestern Polytechnical University 75 Shaanxi Xi'an Shaanxi Normal University 76 Xi'an Jiaotong University 77 Xidian University 78 Jinan Shandong University Shandong 79 Qingdao Ocean University of China 80 Fudan University 81 Donghua University 82 East China Normal University Shanghai 83 East China University Of Science and Technology 84 Shanghai University 85 Tongji University 86 Shanxi Taiyuan Taiyuan University of Technology 87 Sichuan University 88 Chengdu Southwest Jiaotong University Sichuan 89 Southwestern University of Finance and Economics 90 Ya'an Sichuan Agricultural University 91 Nankai University 92 Tianjin Tianjin Medical University 93 Tianjin University 94 Xinjiang Urumchi Xinjiang University 95 Yunnan Kunming Yunnan University 96 Zhejiang Hangzhou Zhejiang University Table S2: Letters that are marked for different means of ranked happy scores in visitors in university campuses across mainland China. University names Different letters for significant difference Shandong University A Xi’an Jiaotong University B A South China Normal University B A C China University of Political Science and Law B D A C Traditional Chinese Medicine University of E B D A C Guangzhou Southwest University E B D A C F Nanjing University E B D A G C F Suzhou University E B D H A G C F China Pharmaceutical University E B D H A G C F Xidian University E B D H A G C F Zhejiang University E B D H A G C F Jilin University E B D H A G C F Liaoning University E B D H A G C F Xinjiang University E B D H A G C F Central University of Finance and Economics E B D H A G C F Beijing Forestry University E B I D H A G C F University of International Business and E B I D H A G C F Economics Chang’an University E B I D H A G C F Southeast University E J B I D H A G C F Ji’nan University K E J B I D H A G C F Minzu University of China K E J B I D H A G C F Zhongshan University K E J B I D H A G C F Sichuan University K E J B I D H A G C F Beijing University of Posts and K E J B I D H A G C F Telecommunications Northeast Normal University K E J B I D H A G C F China University of Geosciences (Beijing) K E J B I D H A G C F Southwestern University of Finance and K E J B I D H A G C F Economics Beijing University of Technology K E J B I D H A G C F Zhongnan University K E J B I D H A G C F L Daliann Maritime University K E J B I D H A G C F L Wuhan University K E J B I D H A G C F L Nanchang University K E J B I D H A G C F L South China University of Technology K E J B I D H A G C F L Ocean University of China K E J B I D H A G C F L China Agricultural University K E J B I D H A G C F L Nanjing Agricultural University K E J B I D H A G C F L Tianjin University K E J B I D H A G C F L Tianjin Medical University K E J B I D H A G C F L Shanghai University K E J B I D H A G C F L Jiangnan University K E J B I D H A G C F L Central China Normal University K E J B I D H A G C F L Hohai University K E J B I D H A G C F L Zhongnan University of Economics and Law K E J B I D H A G C F L East China Normal University K E J B I D H A G C F L Sichuan Agricultural University K E J B I D H A G C F L Guangxi University K E J B I D H A G C F L Northeast Forestry University K E J B I D H A G C F L Fudan University K E J B I D H A G C F L University of Science and Technology of China K E J B I D H A G C M F L Xiamen University K E J B I D H A G C M F L Beijing University of Aeronautics and K E J B I D H A G C M F L Astronautics Beijing Normal University K E J B I D H A G C M F L Harbin Institute of Technology K E J B I D H A G C M F L East China University of Science and Technology K E J B I D H A G C M F L Donghua University K E J B I D H G C M F L Northwestern Polytechnical University K E J B I D H G C M F L Beijing Foreign Studies University K E J B I D H G C M F L Guizhou University K E J B I D H G C M F L Dalian University of Technology K E J B I D H G C M F L North China Electric Power University K E J B I D H G C M F L Tongji University K E J B I D H G C M F L Northeastern University K E J B I D H G C M F L Beijing Institute of Technology K E J B I D H G C M F L Yunnan University K E J B I D H G C M F L Communication University of China K E J B I D H G C M F L Wuhan University of Technology K E J B I D H N G C M F L Hunan University K E J B I D H N G C M F L Taiyuan University of Technology K E J I D H N G C M F L Beijing Jiaotong University K E J I D H N G M F L Southwest Jiaotong University K E J I D H N G M F L Renmin University of China K E J I D H N G M F L Tsinghua University K E J I D H N G M F L Nanjing University of Aeronautics and K E J I D H N G M F L Astronautics University of Science and Technology Beijing K E J I D H N G M F L Hunan Normal University K E J I D H N G M F L China University of Petroleum (Beijing) K E J I D H N G M F L Huazhong Agricultural University University of K E J I D H N G M F L Science and Technology Nankai University K E J I D H N G M F L Central Conservatory of Music K E J I D H N G M F L Lanzhou University K E J I D H N G M F L Chongqing University K E J I D H N G M F L Huazhong Agricultural University K E J I D H N G M F L Beijing University of Chemical Technology K E J I H N G M F L Fuzhou University K J I H N G M F L Hefei University of Technology K J I H N G M L Peking University K J I H N G M L Shan’xi Normal University K J I H N M L Inner Mongolia University K J I H N M L Beijing University of Chinese Medicine K J I N M L Beijing Sport University K J N M L Anhui University K J N M L China Mining University (Beijing) K J N M L Northeast Agricultural University K N M L Zhengzhou University N M L Nanjing University of Science and Technology N M Harbin Engineering University N Table S3: Letters that are marked for different means of sad scores in visitors in university campuses across mainland China.