Seiichiro Nishimoto, CEO of Shelter Co., poses wearing a gas mask at a model room for the company's nuclear shelters in the basement of his house in Osaka, Japan on April 26, 2017. With nearby North Korea increasing its show of power day by day with missile launches and nuclear tests, people in Japan are preparing for the worst by building private nuclear shelters, Reuters reports. (Photo by Kim Kyung-Hoon/Reuters)

A workman sweeping the highest sidewalk in the world, the 81st story of the Empire State Building, the world's tallest building, to the top of which the greatest dirigible “Los Angeles” will attempt to moor, New York, New York, early 1930s. This photo was made 1,248 feet above street level. (Photo by Adam Glickman/Underwood Archives/Getty Images)

Worker Shi Shenwei pulls a wheelbarrow at the construction site of a Buddhist temple in the village of Huangshan, near Quanzhou, Fujian Province, China, September 28, 2016. For most construction workers, lunch is a welcome break to rest and refuel. Not for Shi Shenwei. the 23-year-old spends his midday break jumping and swinging through a maze of scaffolding poles, performing a fitness routine that has made him China's latest social media sensation. (Photo by Thomas Peter/Reuters)

Last weekend, the National Building Museum in Washington, D.C., opened a 10,000 square-foot ball pit to the general public, and everyone cheered that, finally, someone made their childhood dreams come true.

Martin De Pasquale with his creative photographs. Here's a look at the incredible world of a digital artist who creates mind-bending works of art with Photoshop. (Photo by Martin De Pasquale/Caters News)

These images by Buenos Aires-based graphic design student Martín De Pasquale are so surreal that, obviously, you know they are photoshopped. But they are perfectly executed and very funny. To learn more about the artist and the art of photoshopping we suggest you to check out some of his behind the scenes photos in his Fotografía Imposible folder on Facebook.

Women wearing traditional costumes chat during the first day of the April Fair celebrations in Sevilla, southern Spain, 15 April 2018. The April Fair, running from 15 April until 21 April, is a traditional celebration in Sevilla, attracting thousands of visitors each year. (Photo by Raúl Caro Cadenas/EPA/EFE)