Sixth Avenue in Zone 1 - the historical center was renovated in 2010. Honestly, it was a radical transformation! Before, there were dozens of vendors, with stalls selling cheap clothing and pirated DVDs on the pavement. It was hard to move among the vendors, customers and pedestrians, but it had its charm ... Now 6th Avenue has become a pedestrian street, and have removed the multiple sales, with trees and no cars. It is another world! Depending on where you get off the bus or taxi, there are a couple of parks (but nothing special). Going down the sixth with its many shops, going by the 12th you will see the Arch Street Post Office building.