The UK Antarctic Heritage Trust, a charity that conserves historic sites in Antarctica, is giving the opportunity to send a limited-edition, festive themed postcard with a personalised message from the world’s southernmost public post office at Port Lockroy in Antarctica to arrive at Christmas. They need to raise over £30,000 to enable essential repairs and maintenance at the site. Click on the link to play your part in Antarctica by sending a postcard, making a donation or sharing this story with friends. Offer closes on 7 July!