Nice shot, buddy.
Most certainly, Halloween is not a traditional Chinese festival. But lately, it is becoming more popular among young people as part of westernization... or shall we call it .. cultural invasion? :)
Profoto reflector.. haven't seen one of those for years.. mines are collecting dust in the basement storage. Few days ago , saw someone in Arches National park using tripod, off cam flash with field softbox, hand-meter... I have to say I was completely amazed and, to a degree, adoring his action.