Wanderings in the wild, wild west

Hoh Xil's vast grasslands host incredible biodiversity. Erik Nilsson recounts encounters with wolves, Tibetan antelope and burrowing owls on the world's highest plateau.

Why did the Tibetan antelope cross the road? To get to the other side, of course. Easier said than done.

So, migrating herds do so in areas where it'd otherwise seem too remote to require crossing guards.