It takes 3 months to wash Burj Khalifa, know unheard things about the world’s tallest building
Burj Khalifa unknown facts in hindi A total of 12 thousand laborers were employed to build this tallest building in the world. Who have worked day and night to prepare this luxurious building. Burj Khalifa unknown facts in hindi Burj Khalifa, which is the tallest building in the world, took a total of 6 years … Read more