Mary Hickey poses with her collection of dolls at her home in Ashbourne, Ireland October 9, 2013. Hickey has been collecting the dolls for over thirty years and now owns over 420 dolls. (Photo by Cathal McNaughton/Reuters)

Vietnam’s Son Doong cave, the largest in the world, could hold a 40-story skyscraper inside. The pristine ecosystem has its own river and jungle. Despite its size, Son Doong wasn’t discovered until 1991. It was lost again for nearly two decades and was fully explored for the first time in 2009. (Photo by Jason Speth/HuffPost)

Lenka Tanner is pictured in Nottingham, United Kingdom on March 11, 2015. She starred in the Kuoni advert, Run on Water, advertising luxury holidays. She has set up her own synchronised swimming team called AquaStars. Tanner was born in Slovakia and starting synchronised swimming at the age of six. (Photo by Lucy Ray/The Guardian)

The picture dated September 19. 2024 shows a female Kingfisher feeding on small fish near Lancaster, UK. Kingfishers need to eat regularly and eat their own bodyweight in food each day. They primarily eat fish, such as minnows, and when they spot a fish they dive headfirst into the water and seize it with their sharp bills. (Photo by Brendan McGee/Bav Media)

A view of the Sheikh Zayed highway in Dubai and some high rise buildings, November 8, 2007. (Photo by Steve Crisp/Reuters)

Green building also known as green construction or sustainable building is the practice of creating structures and using processes that are environmentally responsible and resource-efficient.

Damaged buildings stand in the rebel-controlled area of Maaret al-Numan in Idlib province, Syria September 6, 2016. (Photo by Ammar Abdullah/Reuters)

A view shows a church in front of a high-rise apartment building in Saint Petersburg, Russia on October 30, 2019. (Photo by Anton Vaganov/Reuters)