A college girl takes part in the Holi festival celebrations in Bhopal, India, 19 March 2019. Holi is celebrated on the full moon day and marks the beginning of the spring season. Holi will be celebrated as the Hindu spring festival of colors across the country on 21 March. (Photo by Sanjeev Gupta/EPA/EFE)

An Indian Hindu devotee celebrates Holi, the spring festival of colours, during a traditional gathering at a temple in Nandgaon village in Uttar Pradesh state on March 16, 2019. Holi, the popular Hindu spring festival of colours is observed in India at the end of the winter season on the last full moon of the lunar month. (Photo by Noemi Cassanelli/AFP Photo)

One of a members of the Franciscan Action Network and immigration rights activists is arrested during a demonstration calling for the end of immigrant detention on Capitol Hill in Washington, U.S., July 18, 2019. (Photo by Joshua Roberts/Reuters)

The Ray and Maria Stata Center is shown on the campus of the Massachusetts Institute of Technology February 22, 2006 in Cambridge, Massachusetts. The Institute admitted its first students in 1865 and continues with the mission to advance knowledge and educate students in science, technology, and other areas of scholarship. (Photo by Joe Raedle/Getty Images)

Sofi Tukker x Amadou & Mariam – Mon Cheri (Official Music Video). “Mon Cheri” continues Red Hot's 30-year mission of fighting HIV/AIDS and supporting humanitarian charities through music, pop culture and global anthems.

A small section of the expanding remains of the Veil Nebula, a massive star that exploded about 8,000 years ago. The entire nebula is 110 light-years across, covering six full moons on the sky as seen from Earth, and resides about 2,100 light-years away in the constellation Cygnus, the Swan. (Photo by Reuters/NASA/ESA/Hubble)

David Hall’s photographs of scenery and creatures off the coast of Canada in the Pacific Northwest portray serenity under the water, which belie the extreme challenges he faces to get his images. For each shoot, Hall wears a dry suit, a neoprene body suit that covers all of his body but his head and traps air inside to keep him warm. Water temperature in Canada’s British Columbia typically ranges between 45 and 50 degrees Fahrenheit. Photo: Moon jellyfish and cross jellies. (Photo by David Hall)