Haerwusu Coal Mine is the world’s second-biggest coal mine. The biggest open-pit coal mine in China, it covers an area of 29 sq mi (67 sq km), and is believed to have a total coal reserve of 1.73 billion tons. Located in the Inner Mongolia Autonomous Region, Haerwusu began production in 2008. It is expected that the mine will provide a steady output of coal until about 2080.
The North Antelope Rochelle coal mine in the Powder River Basin of Wyoming, is currently the world’s biggest coal mine by reserve.
A little over a week ago, the Lesedi La Rona diamond, the second-biggest gem-quality* diamond ever found, sold for a whopping $53 million. Well, whopping is a relative term here, just a few years prior the diamond had failed to sell at auction when nobody was willing to meet the opening bid price, which Sotheby’s had set at $70 million. At 1,109-carats (about…read more
You’d think it would be easy to establish which is the world’s second-biggest lake island — a lake island being an island on a lake. For the most part, you can look at a map, figure out which bodies of water are the lakes, then look for the islands in them. Simple right? For the biggest lake island, it’s super…read more