“Not for the faint of heart”. Casa Milà, better known as La Pedrera, is a building designed by the Catalan architect Antoni Gaudí and built during the years 1905–1910, being considered officially completed in 1912. It is located at 92, Passeig de Gràcia in the Eixample district of Barcelona, Catalonia, Spain. (Photo by Stefano Scarselli)

The homemade Airbus A320 jet plane made by Chinese farmer Zhu Yue is being built at an open space in Kaiyuan city, northeast China's Liaoning province on February 4, 2018. (Photo by Imaginechina/Rex Features/Shutterstock)

Natalia Grossman of the United States competes in the women's boulder lead climbing final at the Pan American Games in Santiago, Chile, Tuesday, October 24, 2023. Six new venues were built for 30 sporting events, an investment of $507 million. (Photo by Esteban Felix/AP Photo)

During the feudal times, the society was very structured where everyone knew their place. Fishermen knew that they would always have to bend their knee for highborn ladies and gentlemen, while the latter considered themselves to be far too superior to even look at the common folk. Mont Saint-Michel is a living memorial of those times. Its structural composition clearly reflects the structure of feudal society: The monastery and abbey were built on the highest point; housing and stores were built some distance below; finally, fishermen’s and farmer’s houses were constructed, not even being within the city walls, making them the most vulnerable to the possible attack.

A ship being used for the filming of World War Z sets sail from Falmouth Harbour on August 4, 2011 in Falmouth, United Kingdom. The Cornish coastal town is currently being used to film the zombie film that stars Brad Pitt. (Photo by Matt Cardy/Getty Images)

James Spears takes his 1964 German built Amphicar for a drive on Lake Mead in Nevada May 6, 2015. Its a journey many drivers dream of, rather than travelling round a lake simply driving through it. But for James Spears it may be time to make the most of the waters in Lake Mead in Nevada, as water levels are plunging as California struggles to cope with a fourthsuccessive year of droughts. (Photo by Mike Blake/Reuters)

Attendants arrive at an inauguration ceremony of a Hello Kitty amusement park in Anji, Zhejiang province November 28, 2014. With an investment of $325 million, Hello Kitty Park will be China's first large scale amusement park scheduled to open to the public on New Year's day. According to state media, there are nearly 60 theme parks being built across China at the moment. (Photo by Carlos Barria/Reuters)

Number 10. BELL H-13 SIOUX was a two-bladed, single engine, light helicopter built by Bell Helicopter. Westland Aircraft manufactured the Sioux under license for the British military as the Sioux AH.1 and HT. In 1947, the United States Air Force ordered the improved Bell Model 47A. Most were designated YR-13 and three winterized versions were designated YR-13A. The United States Army first ordered Bell 47s in 1948 under the designation H-13. These would later receive the name Sioux. The Bell-built H-13 B is seen airborne in this April 29, 1951 photo. The helicopter is equipped with a 173 horsepower engine, cruises at 85 miles per hour, climbs 900 feet in a minute and has a service ceiling of 11,500 feet. (Photo by AP Photo)