Dubai, March 24 -- The tallest building of the world, Burj Khalifa on Tuesday lit up in colours of Pakistan flag to mark the 81st National Day of the country.

Later, netizens shared the video of Burj Khalifa on social media.

Earlier in the day, the missions in the UAE read the messages of Pakistan's President Arif Alvi, PM Imran Khan, and Foreign Minister Shah Mahmood Qureshi.

Pakistan Day is celebrated to mark the Lahore Resolution on March 23 each year. The Lahore Resolution is also called Pakistan Resolution. It was passed on March 23, 1940.

Every year, Pakistan celebrates the day. It is a national holiday in the country.

The tallest building of the world is located in Dubai, UAE. Its total height is 2722 feet.

It is also famous ...