A French daredevil climber has shimmied up the side of the world's tallest building.
Alain Robert, whose nickname is Spiderman, scaled the Burj Khalifa in Dubai.
The building is over 800 metres high and a massive 160 storeys, and the huge climb took him around six hours.
Normally he does stunts like this with no safety equipment but this time the organisers said he had to wear a harness, making him even more nervous.
Alain Robert climbs the world's tallest building
"Actually there is huge pressure on me because I know that they have installed everything there, this is for me.
"There is a giant screen, 50 metres high, 30 metres long.
"I know everybody is going to look at me so it's a lot of stress..." Robert said before the climb.