The content originally appeared on: CNN (CNN) - Xiechi Lake, also known as Yuncheng Salt Lake in China's Shanxi province, has become popular on Instagram and other social media websites in recent yearsthanks to eye-popping aerial photographs of its colorful surface. Now, China wants to convert that online popularity into real-life tourism. First step: advertise it to Chinese domestic travelers. Recent tourism campaigns on Chinese social media sites including Weibo and WeChat refer to Xiechi as 'China's Dead Sea' and […]