Prince Harry has a secret passion (Image: GETTY and @sussexroyal) The Duke of Sussex has been taking in the planet’s most spectacular scenery during a lifetime of overseas tours, charity trips and private holidays. The Prince has now disclosed that has been recording the sights on camera. He has now made public the series of photographs from his previously unknown hobby. Related articles Meghan Markle wants to be 'the next Angelina Jolie' - SHOCK claim Meghan Markle following doctors' advice ahead of birth - 'Higher risk' The Duke, who is expected to increase his focus on conservation work in the coming years, has released eight pictures on Instagram. Comments added to these images urge the public to “learn about, celebrate and continue to safeguard our planet, our home”. In a 351-word caption marking #earthday, the Duke and Duchess told their 4.9 million social media fans: “Every one of us can make a difference, not just today but every day.” Fans have noted that the Sussexes are increasingly embracing their ability to control the release of “unseen” pictures on Instagram to highlight their work. READ MORE: Meghan Markle 'DELIBERATELY' left out of Kate’s birthday tribute One of Harry's photographs from the instagram account (Image: @sussexroyal) They write in-depth captions about charities and detailing previous endeavours behind-the-scenes. Their most recent Instagram post they told followers: “We invite you to scroll through a series of 9 photos taken by The Duke of Sussex sharing his environmental POV.” The Duke has hitherto kept his photography hobby largely a secret. During an autumn tour of Australia, Tonga, Fiji and New Zealand, he allowed the Kensington Palace social media account to share a handful of his personal photographs. Related articles Meghan Markle baby news: Boy or girl? Expert on what bump may reveal Meghan Markle and Harry's move to Africa will cost £1MILLION in sec... Another image from Harry and Meghan's joint instagram account (Image: @sussexroyal) These were taken during the course of his worldwide trips. He has now issued a series of eight images taken as he has flown around the world to Botswana, Guyana, Norway, Malawi and beyond. These intimate photographs were shot during private moments on his tours and charity trips. One particular image outlined the eight different scenes chosen by the Duke beginning with the animal they called the “African Unicorn”, better known as the rhino.All rights reserved for this news site express.co.uk and under his responsibility