I don't speak Chinese and cannot communicate to find out their relationship, but the situation looks like a "Dad-Is-In-Charge" to me.
I took this snapshot while making my way through a crowded street in Southeast of Beijing, after the guide declared: "Your tour is over. Last pick up will be early next morning to the airport. From now on, you are free to get lost with your own camera..."
Great shot! I love the lighitng and coloring... the grains work very well in this photo! The little baby is so cute... I love his expression... nice work :) ~Rachel~