Raising a smile with nothing but a selfie

What would you do if a taxi driver asked to take a picture with you? Well, if you visit Chongqing in Southwest China you might just find out.

Liao Luqiang, a 31-year-old originally from Suining, Sichuan province, has been driving a taxi in Chongqing for about eight years.

He finds his job interesting because of all the different people he gets to meet, but in recent years he has detected rising levels of anxiety and upset in his cab.