南美洲加勒比海岛国——特立尼达和多巴哥,有一个巨大的天然沥青湖,它的名字叫“彼奇湖”。该湖湖深超过90米,面积达47公顷,湖中出产的天然沥青不需加工提炼就可直接使用。从发现以来,已从湖中开采出上千万吨沥青,湖中沥青的储量达亿吨以上,是世界上最大的天然沥青供应基地。 Caribbean island nation of South America - Trinidad and Tobago, has a huge natural asphalt lake, its name is “Lake”. The lake is more than 90 meters deep, covering an area of ​​47 hectares, the natural bitumen produced in the lake without processing refining can be used directly. Since it was discovered, tens of millions of tons of bitumen have been mined from the lake and the reserves of bitumen in the lake have reached more than 100 million tons. It is the largest natural bitumen supply base in the world.