sixpenceee:Northeast Georgia is home to Ellison’s cave. At 586 feet deep, it’s the deepest known cave pit in the United States. A rock dropped from the top is said to take about eight seconds to reach the ground.
exPress-o: Shanghai's Bike Couriers. Photos by Alain Delorme. Impressive stacking skills by the bike couriers. Unusual sculptures of typical goods are fascinating to see them balanced and kept in place while biking.
the Dar al-Hajar (Rock Palace) perched atop a rock pinnacle at the Wadi Dhahr Valley in Yemen. Classic example of Yemeni architecture built in 1786 by Imam Mansour Ali Bin Mahdi Abbas; in the Imam Yahya Hamid Al Din extended it as a summer residence.