A Hindu devotee takes sand bath at Sangam, the confluence of the rivers Ganges and Yamuna, in Prayagraj, in the northern Indian state of Uttar Pradesh, Monday, June 5, 2023. Prayagraj in the northern Uttar Pradesh state is an important Hindu pilgrimage center. (Photo by Rajesh Kumar Singh/AP Photo)

Each winter, since 2009, the transport society of Budapest decorates its trams with more than 30 000 sparkling white and blue LED lights for Christmas. If the tram drives fast, it will turn into a wagon made of spurts of lights.

The Villarrica volcano lights up the sky at night seen from Pucon town, Chile on December 14, 2023. (Photo by Cristobal Saavedra Escobar/Reuters)

The tempestuous stellar nursery called the Carina Nebula, located 7,500 light-years away from Earth in the southern constellation Carina. (Photo by Reuters/NASA)

A traffic light is seen next to the Pink Supermoon in Frankfurt, Germany, April 8, 2020. (Photo by Kai Pfaffenbach/Reuters)

A flash of lightning lights up a raincloud hovering over a township in Dharmsala, India, Sunday, April 19, 2020. (Photo by Ashwini Bhatia/AP Photo)

An ambulance with emergency lights on makes its way through snowfall in Iowa, US on December 21, 2022. (Photo by Joseph Cress/AP Photo)

A huge colony of Pacific Walrus on Arakamchechen Island in the Northern Bering Sea. (Photo by Francois Gohier/Ardea/Caters News)