Originally Posted by
YuropFlyer
He has to change level, but PVG is a very modern airport, pretty clear signs and safe (think not 50 people trying to lure you into their transports) he shouldn't have any issues. Too bad he doesn't want to check out the city itself a bit, Shanghai is pretty awesome for a short stroll around. (And with the free transit visa, why not.. if he's Singaporean, not even language issues..)
He is a Singaporean but since he is in high school my sister does not want him to venture out on his own. I am sure it would be nice to visit the city and try out the train.