Last time when I go Shenzhen, there are a lot of children beggar which will keep begging in front of you with a rotten rose... some children even just drag ur clothes... please do not give any money to them, coz after u give 1, all the friends will appear also... becareful of pick pocket also, they are very expert... (this experience is a few years back, dunno whether they have improve or nt, please correct me if I wrong)
Travel All about Shenzhen, & Pearl River Delta