'In preparation for the 2010 World Expo opening in May in Shanghai, city officials have been busy making sure the metropolis and its inhabitants are presentable ... The government is determined to whip the city into shape, even if it stretches the very fabric of society, which in Shanghai happens to be … cotton and silk pajamas! Shanghai officials have been rallying local community volunteers to chase down anyone wearing pajamas in the streets and give them a stern talking to.'
Photojournalist Justin Guariglia set out to document the ease and charm of the PJ-mad locals in his book Planet Shanghai. Here are some of the sartorial statements he found on the city's streets: