Mark your calendar|On Dec. 25, the 14th annual Week of Free Sports will begin in Prague, during which people can try a new sport for free at dozens of venues around the Czech capital. The event will last until Saturday, Dec. 31, and allows you to get back in back in shape after some heavy-duty feasting. Aside from perenially popular swimming pools, visitors can try floorball, baseball, climbing, spinning, and even mini golf.