BBCNEWS The Travel Show July 6, 2024
hello and welcome to switzerland. i'm in the town of chateau—d'oex. it's known for its gruyere cheese, which is delicious, and the international balloon festival, held in the valley behind me every winter. but let's start somewhere a little warmer. mexico city's ancient canal network was first built by the aztecs. it stretches 180 kilometres and these days the whole district, and these days, the whole district of xochimilco is a unesco world heritage site, but one that could do with a bit of a clean—up. we sent eva zu beck there to find out why. check out all these amazing boats,...