Challenge

Challenge is an adventure series that follows scientists, research teams and explorers on journeys to remote corners of the earth to examine rarely seen wonders of the natural world.Challenge is an adventure series that follows scientists, research teams and explorers on journeys to remote corners of the earth to examine rarely seen wonders of the natural world.Challenge is an adventure series that follows scientists, research teams and explorers on journeys to remote corners of the earth to examine rarely seen wonders of the natural world.