The world’s tallest building, the Burj Khalifa, was officially opened in Dubai.

The Burj Khalifa is a skyscraper in Dubai, United Arab Emirates.

It rises over 828 metres (2,716.5 feet) and has more than 160 stories.

It is the tallest building in the world.

It is the tallest free-standing structure in the world.

It has the highest number of stories of any building.

It contains the highest occupied floor in the world.

It has the highest outdoor observation deck in the world.

Its elevators have the longest travel distance in the world.

It also has the tallest service elevator in the world.