The  Walled City of Intramuros is the historic center of Manila. It is administered by the Intramuros Administration, an attached agency of the Department of Tourism. It contains the famed Manila Cathedral and the 18th Century San Agustin Church, a UNESCO World Heritage Site. Kalesa is a popular mode of transportation for tourists in Intramuros and nearby places including Binondo, Ermita and Rizal Park. Known as the oldest chinatown in the world, Binondo was established on 1521 and it was already a hub of Chinese commerce even before the Spaniards colonized the Philippines. Its main attractions are Binondo Church, Filipino-Chinese Friendship Arch, Seng Guan Buddhist temple and authentic Chinese restaurants.