"I just went to schools and presented my national identification card along with my school ID, they were happy to be of help," he says.
一路行來，吳勇練經常借宿學校，「我帶著身分證和學生證向學校求助，他們都樂意幫忙」，他說，大部分學校讓他住在設備一應俱全的保健室，「比起旅館毫不遜色！」但在學校日益重視校園安全之時，這個方式不見得能暢行無阻、進出自如。