WWF has enlisted personalities including Sir Sir Andy Murray, Sam Heughan, Amy Jackson and Connor Swindells to support its World Mental Health Day campaign, with each celebrity sharing how nature helps their mental health.

Highlander star Heughan commented 'I have had times in my career when I've felt under a lot of pressure and there's nothing like a dog walk to make you feel better and put things into perspective. For me, being out in nature really clears my head, gives me a sense of calm and reminds me what is most important in life'.