Stefan Libon proposes to girlfirend Jess McGarrity in front of a banner message “Marry Me Jess?” on the deck of the Queen Mary 2, at Mrs Macquarie's Chair on Valentines day, February 14, 2012 in Sydney, Australia. (Photo by James Morgan/Carnival Australia via Getty Images)

Jennifer Lopez sets pulses racing in this new campaign for Intimissimi on October 18, 2023. The singer and actress, 54, showcases her curves in the Italian brand's latest looks. Lopez teamed up with the brand to create the “This is Me... Now” capsule collection. (Photo by Intimissimi/The Mega Agency)

A high-kicking Parisian can-can dancer. (Photo by Hulton Archive/Getty Images). 1895

A prototype Rollkers transportation device is displayed during a press event at the Mandalay Bay Convention Center for the 2015 International CES on January 4, 2015 in Las Vegas, Nevada. The product is not a skate; it balances for you and when you place it on the bottom of your shoe, it gives you the ability for faster transportation based on walking. The balance CES, the world's largest annual consumer technology trade show, runs from January 6-9 and is expected to feature 3,600 exhibitors showing off their latest products and services to about 150,000 attendees. (Photo by Ethan Miller/Getty Images)

Picks him up at 25 miles an hour! If the modern auto or truck hits you don't worry. Equipped with this device you are simply given a free ride. This man even came from behind another car, was struck but not even scratched. The demonstration was given recently in Washington, D.C. (1924 December 17). (Photo by Library of Congress)

Take me away, deer, Russia. The Nenet people of Arctic Russia use reindeer and sledges as a prime mode of transport. The animals’ navigational ability means that in severe conditions they are sometimes the only hope of survival. (Photo by Kamil Nureev/Smithsonian Photo Contest)

Private Harold L. Langhofer edges into the ball-turret, March 9, 1943. Curled in this position, he can turn the turret so that it fires in any direction. The turret can also be swung around so that the hatch opens into the plane, and the gunner can crawl into it while the Flying Fortress is in motion. (Photo by AP Photo)

Battersea Power Station. The chimney rims are thinner on top than you might expect. (Photo by Bradley L. Garrett)