The South African pilot of a US air force Hercules flight crew flicking switches in the cockpit flying to Antarctica. Galapagos Islands A teacher helps students with

A teacher helps students with their math and alphabet at pre-school

An alert female Greater Kudu pauses on a sandy forest track listening

Racing camels launch from the start gate chased by a handler waving his cane

A US Air force airstrip dwarfed by a vast ice shelf dappled in cloud

Storm clouds over the Chilean Andes and the Ushuaia port and bay

The South African pilot of a US air force Hercules flight crew flicking switches in the cockpit flying to Antarctica. Galapagos Islands A teacher helps students withThe South African pilot of a US air force Hercules flight crew flicking switches in the cockpit flying to Antarctica. Pegasus Field, Ross Island, McMurdo Sound, Antarctica.