
The explorers arrive back at Heathrow Airport

The explorers arrive back at Heathrow Airport

Martin, Ann and Charlie arrive at North Pole

Charlie taking the last samples of the expedition at the North Pole

Charlie and Ann taking the final water samples at the North Pole

Ann Daniels, Explorer Team Leader: Operations, Navigation & Surveying

Charlie Paton, Explorer Team: Navigation & Surveying

Martin Hartley

Charlie helps Ann across open water

A huge pool of water opens up at Martin's feet

Charlie drillis into the ice to measure its thickness

Martin Hartley, Explorer Team: Photography & Surveying

Ann, in her immersion suit, edges her way across some very thin ice

Charlie Paton drills into the ice to draw seawater samples

Charlie decants seawater into the 'Duran' sample bottles

Charlie puts the precious water samples into the 'yeti' box, to prevent them from freezing

Charlie helps Ann into her cumbersome immersion suit

Charlie Paton, Explorer Team: Surveying & Navigation

Charlie Paton, Martin Hartley and Ann Daniels, aka 'The Explorer Team'

A huge crack opens up beneath the explorer's tent

Ann Daniels leaps across the crack as the team try to rescue their kit from the tent

Ann and Charlie continue to remove kit from the tent as the crack gets larger

The Twin Otter drops the Explorer Team off onto the ice

Krill collected at the Ice Base

The Ice Base with DC-3 Basler drop-off plane in the background

Dr Ceri Lewis pulls the copepod specimen bottles from the local ice hole