The fish weirs join to form a funnel, the perfect location for a fish trap made of basketry or netting.
Weirs are the dark lines, ponds the dark spots.
Raised fields allow farming on seasonally flooded areas. The canals provided soil and nutrients for the fields, water for irrigation and fish during the wet season. To the average Sunday bait-drowner, fishing is fun. But to people who seldom see Safeway, fishing can make the difference between eating and starving. To these folks, worms and hand-tied flies are an unaffordable luxury.