Bogota is the capital (city) of Colombia. As of 2009, more than 7 million people live in Bogota, which makes it the largest city in Colombia. It is about 2,640 meters above sea level, on top a plateau (a mountain with a flat top). This makes it the third highest capital in the world. With many universities and libraries, Bogotá has become known as "The Athens of South America".The weather is usually nice during the day and cool at night. It has a series of bike paths (trails that are made for bikes) that wind through the city. It has many recreational and amusement parks open to the public. The current mayor is Claudia López.