A cave or cavern is a natural underground space large enough for a human to enter. Caves form naturally by the weathering of rock and they often extend deep underground. Because of their uniqueness and...
Huanglong is located in the northwest part of Sichuan Province, China, 50 kilometers north-northwest of the capital Chengdu. This scenic area is studded with colorful pools of limestone formations, snow-clad...
While impressive compared to highway speeds, that’s nothing next to what real high speed rail can do. Among the fastest in the world, these High speed train regularly top 200 mph and even crack...
A gemstone is a piece of mineral or fancy stone that is used to make jewelry and other decorative arts. Humans have been collecting jewels for centuries, and precious gemstones are among the most sought...