Discovery Networks International and Discovery U.S. are teaming with UK-based production company betty on a six-part series chronicling search and rescue units atop the world’s highest mountain. Everest Rescue will be broadcast later this year on DNI’s factual networks across 220 countries, including the U.S. Liz Brach is exec producer for DNI, David Harrison is exec producing for betty.

In 2015, a devastating earthquake in Nepal claimed thousands of lives and triggered an avalanche that killed 22 on Everest. Climbers have since returned to attempt the summit. Still, the fate of even the most experienced climbers and Sherpas rests in the hands of the world’s most elite band of helicopter pilots, along with medical units who respond to an overwhelming amount of emergencies. The Everest Rescue production team was on the ground a year after the earthquake, capturing never-before-seen footage.

Everest continues to fascinate. Discovery itself was on the mountain in 2014, on the single deadliest day in the peak’s history after an avalanche struck the Khumbu Icefall above Base Camp. Discovery was preparing to film Everest Jump Live which would have seen climber Joby Ogwyn attempt to make the first wing-suit flight off the summit. That later turned into a documentary about the rescue and recovery efforts.

Also, last year, Baltasar Kormakur’s feature Everest, based on the true story of a 1996 hiking expedition that turned tragic, opened the Venice Film Festival and grossed over $200M worldwide.

In other Discovery news, Shark Week is expanding to more than 220 countries and territories this year. For the first time ever, it will launch on the same day on Discovery Channel and Discovery en Español in the U.S., as well as in Canada, the UK and Argentina on June 26. The global rollout will continue from July. Depending on their locations, viewers will be able to dive into Shark Week, Shark Weekend, Shark Month or Shark Season.

Discovery is also partnering with nonprofit org Oceana to draw attention to the plight of sharks and the rising threats they face around the world.