World-renowned climberAlex Honnoldis taking viewers on another epic journey in the new Disney+ Earth Day specialExplorer: The Last Tepui.In an exclusive clip from the show’s April 22 premiere, the man at the center of2018’s Oscar-winning documentaryFree Solojoins forces with a team of elite climbers to devise a strategy for tackling a 1,000-foot climb that “has never been climbed before.““Our plan is to work our way up the rock and find the route as we go. After about 800 feet, theres a ledge where we can hopefully set up camp,” says Honnold, 36.However, the team runs into a deadly hazard along the way — “on a first ascent, there’s going to be loose rocks,” he explains.“We’re talking things that can be huge, like pieces of rock the size of a school bus,” Honnold adds. “If something like that comes off when you’re climbing, it could definitely kill you.“Honnold describes the loose rocks as, “probably the biggest hazard that you face when you’re pioneering a new route.“Disney +Explorer: The Last Tepuifollows Honnold’s expedition on “a grueling mission” through the Amazon jungle in Guyana as he and a world-class team of scientists and climbers explore South America’s “island in the sky” atop a Tepui cliff walls in the Amazon jungle, according to apress release.National Geographic explorer Mark Synnott enlisted Honnold, whom hecalled"the single boldest climber in the world,” to find a route that would get biologist Dr. Bruce Means atop the South American cliffs.Disney +“When you climb a piece of rock that no human has ever touched, you literally step into the unknown,” Honnold explained in the special’strailer.Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.The Last Tepuiis the latest installment of National Geographic’sExplorerseries and premieres on Disney+ on Friday.

World-renowned climberAlex Honnoldis taking viewers on another epic journey in the new Disney+ Earth Day specialExplorer: The Last Tepui.

In an exclusive clip from the show’s April 22 premiere, the man at the center of2018’s Oscar-winning documentaryFree Solojoins forces with a team of elite climbers to devise a strategy for tackling a 1,000-foot climb that “has never been climbed before.”

“Our plan is to work our way up the rock and find the route as we go. After about 800 feet, theres a ledge where we can hopefully set up camp,” says Honnold, 36.

However, the team runs into a deadly hazard along the way — “on a first ascent, there’s going to be loose rocks,” he explains.

“We’re talking things that can be huge, like pieces of rock the size of a school bus,” Honnold adds. “If something like that comes off when you’re climbing, it could definitely kill you.”

Honnold describes the loose rocks as, “probably the biggest hazard that you face when you’re pioneering a new route.”

Disney +

Alex Honnold in Hard Climb | Explorer: The Last Tepui

Explorer: The Last Tepuifollows Honnold’s expedition on “a grueling mission” through the Amazon jungle in Guyana as he and a world-class team of scientists and climbers explore South America’s “island in the sky” atop a Tepui cliff walls in the Amazon jungle, according to apress release.

National Geographic explorer Mark Synnott enlisted Honnold, whom hecalled"the single boldest climber in the world,” to find a route that would get biologist Dr. Bruce Means atop the South American cliffs.

Alex Honnold in Hard Climb | Explorer: The Last Tepui

“When you climb a piece of rock that no human has ever touched, you literally step into the unknown,” Honnold explained in the special’strailer.

Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.

The Last Tepuiis the latest installment of National Geographic’sExplorerseries and premieres on Disney+ on Friday.

source: people.com