Bottlenose dolphins leap off the Southern California coast on January 30, 2012 near Dana Point, California. A coalition that includes Native American tribes, Earthjustice and the Natural Resources Defense Council is on the National Marine Fisheries Service for more protection for dolphins, whales, and other migrating marine animals from the use of sonar in training by the US Navy on the West Coast. (Photo by David McNew/Getty Images)

The International Garden Photographer of the Year is one of the world’s premier competitions specialising in botanical photography. There are 11 main categories and numerous special awards including Young Garden Photographer of the Year, and the mobile-only category Gardens on the Go. Here: Winner, Wildflower Landscapes category. Alto Paraíso de Goiás, Goiás, Brazil. (Photo by Marcio Cabral/The Guardian)

A woman touches a robot at the 2018 World Robot Conference in Beijing on August 15, 2018. The conference will be held from 15 to 19 August and will include a conference on robotics, an exhibition and a robot competition with the participation of robotics enterprises to showcase their robot products. (Photo by Wang Zhao/AFP Photo)

Such here cows are available in America to sale. To admit, I am a little dumbfounded – never such saw. It cool! (Well – not cows, but bulls; all the same coolly). (Photo by Lautner Farms)

Heralds ride on horse-back through the streets of Moscow proclaiming the forthcoming coronation of Tsar Nicholas II, 1896. P.S. All pictures are presented in high resolution.

An elephant from Earl's Court Circus with a man in its mouth, 1928. P.S. All pictures are presented in high resolution.

American actress Raquel Welch on a balcony overlooking a street in London, 1970. (Photo by Evening Standard). P.S. All pictures are presented in high resolution.