The Ganges river in India is more than 2,500km long and has the most populated river basin in the world. Hundreds of millions of people and a huge range of wildlife rely on the river Ganges. But ...

NARRATOR: Three thirteen-year-olds from the UK are on their way to explore the geography of India ... does the river end? MAP SELLER: Huh? DUA: Where does the river end? The Ganges.