The Burj Khalifa, the world's tallest building, displays a message as part of the "World's Tallest Donation Box" campaign. AP
The Burj Khalifa, the world's tallest building, displays a message as part of the "World's Tallest Donation Box" campaign. AP
Burj Khalifa celebrates more than one million meal donations
The World's Tallest Donation Box scheme allows people to buy lights on the skyscraper
