In this photo gallery of three of the holiest places in the world, visit the Sultan Ahmed Mosque (Blue Mosque) in Istanbul, the Grand Mosque of Mecca, and the Dome of the Rock in Jerusalem.
When conditions heat up
When conditions heat up, camels can increase their own body temperature, which prevents sweating and therefore water loss. Camels can tolerate a 40 percent loss in body mass when food and water are scarce, an amazing feat when one considers that a 15 percent loss would kill most other mammals. Their thick fur insulates them
