The west bank (Puxi) of the Huangpu River is the cultural, residential and entertainment center of Shanghai. The Bund, Monument to the People's Heroes, Waibaidu Bridge and the oldest park in Shanghai - Huangpu Park, are located on the west bank. In addition, many historical buildings left over from Shanghai's colonial days have been preserved. The east bank of the river (Pudong) is the newer district of Shanghai and its financial and commercial hub. Steel and glass structures are abundant here. The Oriental Pearl TV Tower, Jin Mao Tower, skyscraper hotels, offices and malls of the Lujiazui Financial Zone are located on this side of the river.