A group of photos showing creative ways of public display of affection acts go viral online. [Photo/Chengdu Evening News]

Today's Chinese youth are more like to freely express their feelings and more and more young couples show their affection publicly. Public displays of affection (PDA) seem innocent to couples in love. But it can make some people feel quite uncomfortable, especially when they are single or just break up with their lovers, reported Chengdu Evening News.