When completed, Jeddah Tower in Saudi Arabia is set to become the first structure in history to exceed 1 kilometer in height. Designed to redefine the limits of architecture, the tower requires advanced solutions for wind loads, foundation depth, vertical transport, and materials. Beyond symbolism, the project pushes engineering into uncharted territory—testing how cities might grow vertically as urban density increases worldwide. Important Details: • Height planned: over 1,000 meters • First ki

Saudi Arabia's King Salman's arrival in Moscow didn't go entirely as planned when his gold escalator broke down at the airport. | NBC News World