The 'Chocolate Hills' on the island of Bohol in the Philippines get their name because the 1,700 naturally formed mounds are covered with chocolate brown grass in the dry season
The inhospitable terrain at the southern end of Lake Turkana in Kenya. The fresh-looking lava flows came from Teleki s Volcano which last erupted about 130 years ago
肯尼亚图尔卡纳湖(Lake Turkana)南部的荒凉地区。这些看上去很新鲜的岩浆流来自特莱基斯火山(Teleki s Volcano),这座火山在大约130年前喷发过
The Richat Structure of Guelb er Richat in Mauritania. Originally thought to be a meteorite impact, it is now known to be a volcanic bulge that never erupted and was leveled by erosion
Sinkholes pock-mark the emerging shoreline of the Dead Sea near Ein Gedi in Israel. The sinkholes are caused by fresh groundwater disolving subterranean salt deposits that once formed the bottom of the Dead Sea