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China National Petroleum Corporation PavilionExterior walls of the pavilion are decorated with crisscrossed petroleum and gas pipes, which emphasize industry characteristics and give the pavilion a modern appearance. The whole pavilion resembles a huge energy-processing network, symbolizing that abundant underground oil is the main impetus for the city. Construction materials of the building adopt new environmentally friendly oil derivatives as an exploration of widespread uses of petroleum and petrochemical products. Interior of the pavilion is divided into three sections: the past, present and future, displaying respectively the evolution of petroleum during millions of years, vital roles of petroleum for human history and city development, and prosperous visions for the development of petroleum.
（Source: Shanghai 2010 Expo Official Website）
