This photo was taken from a small boat on the water at about 7 am. I hired a young woman to row me out there so I could take photos from a different viewpoint.
Every morning local farmers bring in their fresh produce for sale at the market. A very high percentage of people in Vietnam do not have refridgerators and even if they do, they frown on the idea of eating "leftovers". Therefore, they typically only purchase enough food for the day.