The buildings of the banking district are seen through thousands of rain drops on a glass railing in central Frankfurt, Germany, Wednesday, January 11, 2017. (Photo by Michael Probst/AP Photo)
A young woman takes pictures of the city with her mobile phone, from the glass-floor observation platform, in the Oriental Pearl Tower, in the financial district of Shanghai, on May 9, 2019. (Photo by Hector Retamal/AFP Photo)
A man applies coats of glass powder to kite strings ahead of the Hindu festival “Uttarayan” in Ahmedabad on December 21, 2023. (Photo by Sam Panthaky/AFP Photo)
Focus on two glasses of champagne on floor. Ardent loving couple is sitting on bed and hugging with passion on background. Romantic date concept. (Photo by Olena Yakobchuk/Rex Features/Shutterstock)
Singer Katy Perry arrives at the Metropolitan Museum of Art Costume Institute Gala 2015 celebrating the opening of “China: Through the Looking Glass” in Manhattan, New York May 4, 2015. (Photo by Lucas Jackson/Reuters)
Smeared in colored powder fashionable women wearing sun glasses celebrate Holi, the Hindu festival of colors, in the Encino section of Los Angles on Sunday, March 24, 2024. (Photo by Richard Vogel/AP Photo)
Dana the dog wears glasses as people watch an annular solar eclipse, in Las Horquetas, Santa Cruz, Argentina, on October 2, 2024. (Photo by Agustin Marcarian/Reuters)
A ghost glass frog in the Chocó rainforest, Ecuador in November 2020. The marbled swirling “hypnotising” eyes are thought to be helpful in attracting a mate. (Photo by David Weiller/WENN)