Located in the remote mountain region of southern Peru is a mysterious place revered by local Peruvians as 'The Place of the Gods'. Known as the Doorway of Aramu Muru, it stands near the border with Bolivia on Lake Titicaca .
Space station flight engineer Andre Kuipers will be in a unique position to observe Earth Hour, a public awareness project that asks people to turn off their lights for one hour at an appointed day and time.