▲Spectators line the cliff top at the Serpent's Lair on Inis Mor, in the Aran Islands, as Blake Aldridge of the UK is caught mid-air.

▲Mat Cowen of the UK takes to the sky as he dives from the cliff face at Islet Vila Franca do Campo, in the Azores.

▲The UK's Blake Aldridge dives from a rock at Viking Caves on Phi Phi Island in the Andaman Sea.

▲Michal Navratil of the Czech Republic adopts an open position as he begins his dive from the platform at the Serpent's Lair, on Inis Mor in the Aran Islands.

▲The Islet Vila Franca do Campo off São Miguel island in the Azores provides a dramatic backdrop for US competitor David Colturi's dive.

▲US diver Ginger Huber arches out from the platform above Ik Kil cenote, in Yucatan.

▲Frozen in mid air as he twists away from the platform, David Colturi of the USA is seen here at Polignano a Mare, on the southern Adriatic coast.

▲Appearing almost as a piece of abstract art, Orlando Duque of Colombia dives from Bilbao's La Salves Bridge next to the Frank Gehry-designed Guggenheim Museum.

▲Yucatan's impressive Ik Kil cenote provides an impressive venue for competitors like Jonathan Paredes, who is a native of Mexico.

▲Orlando Duque of Colombia blends into the background as he dives from the platform on the Saint Nicolas Tower in La Rochelle.

▲Michal Navratil of the Czech Republic prepares to launch an armstand dive from the platform on Devil's Island in Possum Kingdom Lake, Texas.

▲Yana Nestsiarava of Belarus back-flips from the platform off Stari Most, the rebuilt old bridge in Mostar.

▲Using a platform constructed for the occasion on the Copenhagen Opera House, Michal Navratil of the Czech Republic prepares to dive framed by a historic urban environment.

▲Gary Hunt of the UK "drops in" on the Blue Lagoon in Pembrokeshire.

▲Artem Silchenko of Russia arrows down from the platform to meet the Blue Lagoon in Pembrokeshire.

▲Australia's Helena Merten caught in graceful poise as she dives from the platform at Shirahama.

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Artem Silchenko of Russia sails over the cliffs at Shirahama.

▲Gary Hunt of the UK prepares to leap off the platform on the Dubai Marina Pier 7 building.

▲This stunning image could work as contemporary artwork, as Alessandro De Rose of Italy is captured against the Dubai Marina Pier 7 building in Dubai.

▲Glitzy Dubai is the location, and Andy Jones of the USA, taking off from the platform on the Dubai Marina Pier 7 building, is the focus of attention.

▲The rocks at the Arch of Cabo San Lucas offer a wonderfully natural setting for David Colturi of the USA and other sports divers gathered at Cabo San Lucas.

▲This amazing perspective appears to show Rhiannan Iffland of Australia tumbling off the waterfall at Una National Park.

▲Sergio Guzman of Mexico looks like a tiny flying insect as he plunges into Lago Ranco, in the country's Los Ríos region.

▲Jessica Macaulay of the UK becomes part of the scenery during her dive at Islet Vila Franco do Campo on São Miguel Island in the Azores.

▲Watched from below by a fleet of spectators in colorful dinghies, Matthias Appenzeller of Switzerland barrels himself off the platform at Sisikon, on the shores of Lake Lucerne.

▲Armstanding tall, Michal Navratil of the Czech Republic prepares to dive into Lake Lucerne at Sisikon.

▲Stari Most, Mostar's rebuilt landmark bridge, provides an historic platform for divers like Adriana Jimenez of Mexico.

▲A flotsam of inflatable watercraft surround Lysanne Richard of Canada as she heads towards the water at Sisikon.

▲Similarly, this photograph appears to show Jonathan Paredes of Mexico heading for the yachts moored in the sea at Polignano a Mare. Of course, his spot-on dive will end safely in the water.

▲Perfect timing has caught Gary Hunt of the UK framed between Boston skyscrapers as he flips towards the water in Massachusetts.

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Free-falling from up to a dizzying 27 m (88 ft) while performing amazing mid-air acrobatics is what it takes to be a Red Bull cliff diver. This complex and breathtaking extreme sport tests the very fittest and most competitive of athletes. Oh, and it pays to have a head for heights! The Cliff Bull World Series 2019 is now taking place, so it's time to check out a venue near you.

Meanwhile, browse the galley and take the plunge with this collection of awe-inducing cliff diving photographs from previous competitions.

▲He could almost be floating on water, but Gary Hunt of the UK has just dived off the platform at Polignano a Mare on his way to meet the Adriatic Sea.

▲An ocean-bound Artem Silchenko of Russia, competing at Phi Phi Island.

▲Helena Merten of Australia hurtles towards her destination—the crystal blue waters of Lago Ranco, tucked away in the country's Los Ríos region.