Trains, too, can be seriously uncomfortable, especially for lovers who rebel against a dominant Big Brother subculture

Armed police patrol 汉口站 (Hànkǒu railway station) in 武汉 (Wǔhàn), 湖北省 (Húběi province), China. China is increasing the number of officers at stations, airports and other transportation hubs in preparation for the upcoming 春节 (Spring Festival) travel rush. Photo: Imaginechina/Rex/Shutterstock.