As cities around the world continue to expand and populations grow, architects and engineers are pushing the boundaries of what is possible in vertical construction.
Here are the five tallest buildings in the world, each considered a marvel of modern architecture and technology.
Burj Khalifa, Dubai, UAE: 829.8 meters
Merdeka 118, Malaysia: 678.9 meters
Warsaw Radio Mast, Poland: 646.4 meters
Tokyo Skytree, Japan: 634.0 meters
Shanghai Tower, China: 632.0 meters
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