Which public places in Lanzhou provide WLAN wireless Internet access?

Provincial Civil Affairs Department, Agricultural Bank of China, Dongfang Shoes City, Jinze Rose Garden, Bandung Shopping Mall, Changlong Building, State Taxation Bureau, Oran Mingmen, Anning Customs, Dongfang Rongmao, Jinsui Building, Railway Hotel, Convention and Exhibition Center, Yin Da Department Store, Airport, Xitaihua Building, Wanjia Mingyuan, Venture Building, Books and Periodicals Wholesale Market, heping town, Dingyuan Town, Lanzhou Mobile Office Building, Lanzhou Municipal Government, etc. Provincial Mobile Company, Yuzhong County Government, Gaolan Chengguan Business Hall, Gaolan Sanchuankou Business Hall, Gaolan Sanqiaokou Business Hall, Huanglou, Digital Building, Lanzhou Computer City, Ningwozhuang Hotel, Xilan International Hotel, Sunshine Building, Gome, Haitian Hotel, Jinjiang Sunshine Hotel, Tian Fei Hotel, Tongban No.2, Xigu Swan Lake Business Hall, Mobile Gannan East Road Business Hall, Shi Sheng Arc de Triomphe, and Provincial First Construction. Industry and Trade Mall, Baofeng Imperial Banquet, Qilian Mountain Building, Sendi International, Pedestrian Complex, Changye Hotel, Education Building, Provincial Department of Finance, Chang Gan Building, Yin Xin Building, Civil Aviation Security Inspection, Yan 'an Building, Zhao Yin Building and Yuzhong Dingyuan Business Hall. Gaoya Town, Century Star, Blue Ocean Logistics, China Northwest Engineering Design and Research Institute, Peili Mall, oriental home, Jinxiu Shoes City, Family Building of Development and Reform Commission, Anning Science and Technology Incubation Building, Northwest Yongxin Group, Tianqing Business Building, Railway Station, Zhongshan Building, Mingzhu Building, New Office Building of Provincial People's Congress, West Lake Building, Gansu Branch of Xinhua News Agency, Jianxin Building, Qingyang Building, Eurasian Commercial Building, Dagong Building and Baijiahui Shopping Center. Wang Sheng Building, Airport Hotel, Times Square, Provincial People's Hospital, Yuandaxi, BMW Exhibition Hall, Apollo Hotel, Yinfeng Building, Civil Defence Building, Children's Hospital, Innovation Building, Xigu Hongsheng Shopping Mall, Staff Building, Hengtai Building, International Trade Office Building, Lanzhou Creative Culture Park, Jinao Hotel, Changxin Hotel, Communication Administration Bureau, Yongxin Building, Provincial Department of Culture, Wuzhou Haojue and other agricultural reclamation hotels, Taisheng. Torch Building, Tianhe Zijin, Blue Sky Apartment M-Zone Business Hall, Peace M-Zone Business Hall, Northwest E-Commerce City, Metrology Research Institute, Traffic Building, M-Zone Business Hall of Lanzhou University of Technology, M-Zone Business Hall of City College, Minsheng Square, Seven Days Chain Xiguan Store, Insurance Building, Metallurgical Design Institute and Poly Building.