主播大秀

Benjamin Zand's taking a rooftop bus trip around Karachi in Pakistan, stopping for spicy omelettes, then playing football with the boys and girls of one of the city's toughest neighbourhoods. In Canada, we're meeting the people who depend on a fragile train line across some of the country's most remote terrain. And we take a trip down the length of India's River Ganges - on a paddleboard.