Tomb of princess Seshseshet Idut, complex of Saqqara, UNESCO World Heritage Site, Egypt, North Africa, Africa

Pile of mined salt at Maras salt marsh terraces, Salinas de Maras, Cuzco Region, Peru, South America

Man preparing candies, Mardin bazaar, Turkey, Asia Minor, Asia

Workers maintaining stonework at The Nunnery (Edificio de las Monjas), Mayan ruins, Chichen Itza, UNESCO World Heritage Site, Yucatan, Mexico, North America

TRUPACT shipping containers used to transport radioactive waste are moved at the Waste Isolation Pilot Plant; nuclear waste from America's nuclear weapons program is shipped by truck from all over the country to be stored in rooms carved out of an ancient

Radioactive plutonium and americium waste from America's nuclear weapons program in TRUPACT shipping containers at the Waste Isolation Pilot Plant; nuclear waste is shipped by truck from all over the country to be stored in rooms carved out of an ancient

Containers filled with transuranic nuclear waste from America's nuclear weapons program await burial at the Waste Isolation Pilot Plant; the radioactive materials are then stored in rooms carved out of an ancient salt formation a half mile below the Chihu

Workers prepare transuranic nuclear waste from America's nuclear weapons program for long-term storage at the Waste Isolation Pilot Plant, here a fork lift moves a TRUPACT shipping container used to transport nuclear waste by truck from distant places.; t

Workers prepare transuranic nuclear waste from America's nuclear weapons program for long-term storage at the Waste Isolation Pilot Plant, here a worker checks radiation levels on the outside of storage containers because they are stored in rooms carved o

Brass tags are used to account for every person going underground at the Waste Isolation Pilot Plant, where radioactive waste from America's nuclear weapons program is stored in an ancient salt formation a half mile below, Carlsbad, New Mexico, USA