A woman tour skates on the frozen lake of Orlangen, south of Stockholm, Sweden, on December 23, 2016. Tour skating is recreational long distance ice skating on natural ice particularly popular in the Nordic countries. (Photo by Tobias Roestlund/AFP Photo/TT News Agency)

In 2013, the United Nations General Assembly officially designated November 19 as World Toilet Day, which is coordinated by UN-Water in collaboration with governments and partners. Here: An open-air toilet and a hot spring shower are seen in the middle of nowhere on the road to the Krafla geothermal power station and lava fields, near Reykjahlid and Lake Myvatn in northeastern Iceland, on August 19, 2012. (Photo by Mariana Suarez/AFP Photo)

A landscape photographer turned the camera on himself to take a set of incredible selfie while visiting some of the world's most beautiful destinations. Paul Zizka, 39, from Alberta, Canada, has been a photographer for nine years, and thought that featuring in his own pictures would emphasize the nature surrounding him and create a more unique shot. Here: Lake Minnewanka, Banff National Park, Alberta, Canada. (Photo by Paul Zizka/Caters News Agency)

People view an installation over a lake that forms part of the Enchanted Forest Winter Illuminations at Stockeld Park in Wetherby, North Yorkshire on Monday, November 14, 2022. Light effects, a captivating soundscape, and animated installations come together in the ancient woodland once a year over the Christmas period. (Photo by Danny Lawson/PA Images via Getty Images)

Alex Sun, left, Peter Simplicio and Matt Connelly jump through a hole in the ice into Lake Andrews on the Bates College campus, Friday, February 9, 2024, in Lewiston, Maine. The annual Bates College Puddle jump started 50 years ago as a Winter Carnival tradition. (Photo by Andree Kehn/AP Photo)

A view of the silhouettes of people, passing across a bridge over the frozen Lake Murat, trying to go on their daily lives despite the cold during winter season in Agri, Turkiye on February 10, 2025. (Photo by Abdullah Soylemez/Anadolu via Getty Images)

On July 7, Chinese archaeologists from the Academy of Social Sciences announced that they have reconstituted a 5,300-year-old Mongolion pottery statue found at a relic site in North China, according to Xinhua news agency.

Sharon Beals is a San Francisco based photographer who has photographed nest and eggs specimens collected over the last two centuries at The California Academy of Sciences, The Museum of Vertebrate Zoology, and The Western Foundation of Vertebrate Zoology. While few nests are collected today, these nests and eggs are used for research, providing important information about their builder’s habitats, DNA, diseases and other survival issues.