Half of Mongolia's population lives in the capital of this horse-loving country. And they drive their cars like they ride their horses: fast and furious. Just five per cent of the roads leading from Ulaanbaatar are paved. That means, potholes, sinkholes and, did we say potholes? Host Andrew Younghusband learns to drive on the addled downtown streets and how to cross the street in a place where tourists are simply told: don't cross the street.

• Andrew Younghusband