Bui Van Khanh, 34 years old, and wife Nguyen Thi Cam Tu, 34 years old, reside in Thanh Tan Hamlet, Binh Thanh Village, Thanh Phu District, Ben Tre Providence. They have 2 children, Bui Thanh Lam, 8 years old in 3rd grade, and Bui Lam Truong is too small. They don’t have permanent jobs and live by catching on crabs and clams. They don’t have money to build a well and have to use salted water from the river.