1: Dubai's Burj Khalifa is the tallest building in the world, but perhaps not for long. Saudi Arabia has announced plans to build a 1 kilometer (3,280 foot) tower into the sky, to be named the Jeddah Tower, scheduled for completion in 2020. The Burj Khallifa currently stands at 2,716 ft. (Photo by Matthias Seifert/Reuters)

A man smokes marijuana during a demonstration in support of the legalization of marijuana in Medellin, May 2, 2015. (Photo by Fredy Builes/Reuters)

People take pictures of huge waves crash on the Viavelez seafront in the northern Spanish region of Asturias January 2, 2016. (Photo by Eloy Alonso/Reuters)

Deal or New Deal, Season 2. Pictured: Meghan Markle, 2006. (Photo by Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)

An Afghan girl carries washed clothes on her head in Bamiyan, Afghanistan on March 2, 2023. (Photo by Ali Khara/Reuters)

Florida delegates dance on Day 2 of the RNC in Milwaukee on July 16, 2024. (Photo by Ricky Carioti/The Washington Post)

First graders of a cadet's lyceum attend a ceremony to mark the start of the new school year in Kiev, Ukraine, September 1, 2015. September 1 marks the start of a new academic year for students in Ukraine.(Photo by Valentyn Ogirenko/Reuters)