Cuban actor Ana de Armas seen attending Bond: No Time To Die – world film premiere afterparties on September 28, 2021 in London, England. (Photo by Backgrid USA)

An overlay image of 350 photographs shows the circumpolar star and aircraft trails above Clifton Suspension Bridge in Bristol, United Kingdom on January 6, 2022. (Photo by Lee Thomas/The Times)

A snow moon rears above a sycamore tree at Burrow Hill Cider Farm in Somerset, UK in the last decade of February 2024. (Photo by Jeff Overs/The Times)

Cork twins Sibéal and Éimhin Walsh celebrate with their friends, Samuel Palliser Kehoe and Charlotte Herlihy, during the Feis Ceoil Festival in Ireland on March 20, 2023. (Photo by Clare Keogh/The Irish Times)

Lucy Blacker from Australia takes to the water at the 40 Foot for a Christmas Day Swim in Ireland on December 25, 2022. (Photo by Alan Betson/The Irish Times)

A pair of alpacas at a British farm in Dorchester, Dorset on October 9, 2024 pose together at the perfect time to conjure up a creature straight out of Dr Dolittle's imagination. (Phoot by MaxWillcock/Bournemouth News)

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.

The 150-square-metre Villa Ypsilon was designed by London- and Brussels-based firm LASSA, which is headed up by architects Theo Sarantoglou Lalis and Dora Sweijd.