How many different landscapes can one hiking trail reveal? When the rest of the country is sizzling under a heatwave, there's one place in Gansu where you need a jacket in August. At Binggou River Scenic Area in northwest China, visitors can follow mountain streams, walk through forests and grasslands, and discover clues to the geological history of the Qilian Mountains along the way. Come with us for a cool summer hike in Tianzhu.■
