Geography of the Philippines the Philippines, the Sierra Madre, stretching from Quezon province in the south to Cagayan in the north. 80 percent of the mountain range is tropical rainforest, which is diminishing from rampant illegal logging activity. The range serves as the eastern wall of Luzon Island that protects inhabitants from tropical cyclones usually coming from the Pacific Ocean. The largest plain of the nation is situated in the Central Luzon region and produces most of the national rice supply, earning itself the nickname ""Rice Bowl of the Philippines"". The plains encompass the provinces of Bulacan, Nueva Ecija, Pampanga, Tarlac and Pangasinan. South
Libraries in the Philippines Libraries in the Philippines Libraries in the Philippines are academic libraries that can be found in the Philippines. Among such libraries are the National Library of the Philippines which is located in Manila, the university libraries of the University of the Philippines, the Central Philippine University, the Silliman University, the University of Santo Tomas, the University of the East, the Polytechnic University of the Philippines, Ateneo de Manila University, and the University of San Carlos. Research institutes such as the International Rice Research Institute located in Los Baños, Laguna houses a library. Some museums in the Philippines such as the