u know, most chinese like to leave an 'exit' for everything. For Hukou/ID card, it's only useful when u travel to some country side in China where people charge foreigner higher than local people. but,
map(恭喜)
question is, how often we'll go to visit these places? Sailor, u should share ur opinions about Hukou broadly == can't u see so many people asking how to keep it even after emigration?