The world wants China's rare earth elements – what is life like in the city that produces them?

Central Baotou, an industrial hub of 2.7 million people that abuts the Gobi desert in north China, feels just like any other second-tier Chinese city. Large shopping malls featuring western chains including Starbucks and KFC stand alongside street after street of busy local restaurants, where people sit outside and children play late into the evening, enjoying the relative relief of the cooler temperatures that arrive after dark in Inner Mongolia's baking summer. But a short drive into the city's suburbs reveal another typical, less hospitable, Chinese scene. Factories crowd the city's edges, with chimneys belching white plumes of smoke. As…