Warsaw radio mast

The Warsaw Radio Mast was the world's tallest structure from 1974 until its collapse on 8 August 1991. It is the second tallest structure ever built, being surpassed as tallest by the Burj Khalifa, completed in 2010.

Warsaw radio mast

The Warsaw Radio Mast was the world's tallest structure from 1974 until its collapse on 8 August 1991. It is the second tallest structure ever built, being surpassed as tallest by the Burj Khalifa, completed in 2010.