The Skyscraper Museum's director and exhibition curator Carol Willis will discuss the special exhibition SUPERTALL! 2021, which surveys new developments in skyscrapers design and engineering around the world. This tour will feature: - Models and more on the world's three tallest buildings: Burj Khalifa in Dubai; Merdeka 118 in Kuala Lumpur (under construction); and Shanghai Tower. - A 9'-tall context model of the most slender building in the world, Manhattan's 111 W 57th St.