Cassia grandis trees have been planted in almost all Mekong River Delta provinces, especially in Dong Thap. (Photo: Hoang Trong)

The pink cassia grandis flowers remind local people their childhoods. (Photo: Hoang Trong)

The cassia grandis flowers bear a brilliant but simple beauty. (Photo: Huu Nghia)

The ripe cassia grandis fruits fall down. (Photo: Huu Nghia)