Gorgeous hills - amazing light and shadow. Blooming fields of rapeseed plants weave around hills near Luoping in Yunnan Province. From "Visions of Earth" - National Geographic May 2008 Photography by George Steinmetz
Travel picture quiz: where would you find these geological wonders?
The Philippines' famed Chocolate Hills. These conical limestone mounds are covered in grass that turns brown in the dry season, giving the hills their "chocolate" moniker. Over such formations exist in Bohol province, standing 100 to 300 feet tall.