According to many, 'McMurdo Dry Valley' is the world's most secretive. This uninhabited valley is one of the driest dry desert in the world, and probably the world's driest place. Antarctica is located in the middle of snow and snow, but only 4 inches of rain occurs every year. Although the place is covered with polar ice, it is completely empty and empty. Here are some algae, but there are no trees. According to the scientists, this place of the Earth satellites has an unusual match with the atmosphere of Mars.