India's longest and most holy river, the Ganges, is home to thousands of dolphins. But their survival is under threat. But these aren't like the ones found in oceans. They don't leap out of the water ...

NARRATOR: Three thirteen-year-olds from the UK are on their way to explore the geography of India. Dua, Amalia and Nayan are on a ten hour flight through the night from London to New Delhi, the ...