Now that Beijing has been chosen as the city to host the 2022 Winter Olympics, it faces a number of obstacles -- outrage over human rights abuses, its strangling pollution and a problem very specific to the season: Where is a city notorious for bone-dry winters going to get enough snow?
Beijing averages just one week of precipitation during winter, according to data tracked by the World Meteorological Organization. In February, when the games will be, it has an average high temperature of about 40 degrees -- well above freezing.
That's not exactly a recipe for pristine powder, so Beijing will become the latest in a series of Winter Olympic cities forced to make snow good enough to keep skiers and snowboarders happy when the games kick off.