Top: Bui Van Trung (left), Bui Van Tham (center), and Le Thi Hen (right) Bottom: Bui Thi Bich Tuyen (left) Nguyen Hoang Nam (center), and Le Hong Hanh (right)

Top: Bui Van Trung (left), Bui Van Tham (center), and Le Thi Hen (right) Bottom: Bui Thi Bich Tuyen (left) Nguyen Hoang Nam (center), and Le Hong Hanh (right)
© Dao Trang Ut Trung