A Sikh devotee carries on over-sized religious sword during a religious procession to celebrate the birth anniversary of the first Sikh Guru or master, Sri Guru Nanak Dev Ji, the founder of Sikhism in Amritsar, India, 05 November 2014. The birth anniversary of Guru Nanak Dev Ji will be observed on 06 November. (Photo by Raminder Pal Singh/EPA)

A general view of Hong Kong's business district is seen Thursday, August 1, 2013. (Photo by Vincent Yu/AP Photo)

Apollo 9 Command/Service Modules (CSM) nicknamed “Gumdrop” and Lunar Module (LM), nicknamed “Spider” are shown docked together as Command Module pilot David R. Scott stands in the open hatch. Astronaut Russell L. Schweickart, Lunar Module pilot, took this photograph of Scott during his EVA as he stood on the porch outside the Lunar Module. Apollo 9 was an Earth orbital mission designed to test docking procedures between the CSM and LM as well as test fly the Lunar Module in the relative safe confines of Earth orbit. (Photo by NASA)

Studio stack: Rabbit? Acanthocinus aedilis, Cerambycidae, A female Timberman (Timbermam perhaps?). Stacked from 216 exposures in Zerene Stacker (PMAX). (Photo by John Hallmén). P.S. All pictures are presented in high resolution.

An Indian Brahmin and his family. (Photo by Hulton Archive/Getty Images). Circa 1890

The 26th annual National Geographic Traveler Photo Contest is now accepting submissions. Official categories include: “Travel Portraits”, “Outdoor Scenes”, “Sense of Place” and “Spontaneous Moments”. The contest is accepting entries until June 30. Photo: “Forest lights”. Aurora Borealis over the forest of the Pyhae Luosto National Park, Finland. (Photo and caption by Nicholas Roemmelt/National Geographic Traveler Photo Contest)

A kid casts his hand's shadow as kids play with light in “L'art dans la nature, Dali universe” an open air light show at Parc de la Villette in Paris, France on November 19, 2023. (Photo by Gonzalo Fuentes/Reuters)

An endangered desert bighorn lamb leaps in play at a park where bighorns are tempted to leave the safety of their native habitat to eat grass and drink water in the summertime on August 9, 2023 near Indio, California. (Photo by David McNew/Getty Images)