In 2011 the city's population was 2,239,191 people. Since 2002 the city has been renewing its historic center. The old airport, built on filling in a lagoon, was closed to air traffic on 19 February 2013. The area was redeveloped as the ''"Parque Bicentenario"'' (Bicentenary Park). The new Mariscal Sucre International Airport, 45 minutes from central Quito, opened to air traffic on 20 February 2013.