On a hot day, several 12-year-olds are learning to swim at a park in Dhaka, the capital of Bangladesh.It is a rare sight to see an inflatable swimming pool on the grounds of the park.For the past seven years, local swim instructors have taught about 360,000 children to swim.Many of the boys and girls come from nearby villages.The swimming program is a service of a non-profit group called the Center for Injury Prevention and Research, Bangladesh.The center says it has taught over 2,700 instructors to obey international swimming guidelines.Aminur Rahman is director of the International Drowning Research Center in Dhaka.He remembers one tragedy when a boy attempted to rescue his five-year-old brother from a pond."Then the villagers actually tried to search for the child and thought that he could be in the pond.So they use fishing net and unfortunately they got both the child from the water.