General view of the world's tallest building Burj Khalifa and Dubai Mall in Dubai, United Arab Emirates, November 20, 2018.Show moreShow less
General view of the world's tallest building Burj Khalifa in Dubai, United Arab Emirates, December 22, 2018. Image for illustrative purposes.Show moreShow less
General view of the world's tallest building Burj Khalifa and Dubai Mall in Dubai, United Arab Emirates, November 21, 2018. REUTERS/ Hamad I MohammedShow moreShow less
General view of the world's tallest building Burj Khalifa in Dubai, United Arab Emirates, December 22, 2018. Show moreShow less
General view of the world's tallest building Burj Khalifa in Dubai, United Arab Emirates, December 28, 2018.Show moreShow less
General view of the world's tallest building Burj Khalifa and Dubai Mall in Dubai, United Arab Emirates, November 21, 2018. Show moreShow less