Technicians check a CRH high-speed train at Shanghai Hongqiao High-speed train base on December 28, 2011 in Shanghai, China. China's railway stations have started today to sell tickets for the 2012 Spring Festival travel season scheduled to run between January 8th and February 16th, centred around the Chinese New Year which this year falls on January 23rd. (Photo by ChinaFotoPress/Getty Images)

Racing driver J. Gaal at the wheel of car number 26 at the RAC Tourist Trophy, run, for the first time, over the Four Inch Course on the Isle of Man, 17th September 1908. Gaal is racing in waterproofs. (Photo by Topical Press Agency/Hulton Archive/Getty Images)

“Dog fighting is a form of blood sport in which game dogs are made to fight, sometimes to the death. It is illegal in most developed countries. Dog fighting is used for entertainment and may also generate revenue from stud fees, admission fees and gambling”. – Wikipedia

Photo: A bloody Afghan dog is bleeding with many wounds after he lost a dog fight November 24, 2006 in Kabul, Afghanistan. While the Afghan government is trying to ban the violent use of dogs for fighting, the unofficial sport remains a regular weekly event. Afghan dog fighting is popular among Afghan men who gamble on the dogs making upwards of 15,000 Afghanie (300 USD). (Photo by Paula Bronstein/Getty Images)

King Abdullah of Jordan and Queen Rania who holds Princess Salma in her arms, pose for a portrait November 20, 2000 in Amman, Jordan

Auditioning performers follow resident choreographer Erik Sorensen, center back, at the Sydney Dance Company in a routine during castings in Moulin Rouge's current show “Féerie”, in Sydney, Australia, Thursday, July 28, 2016. The show's artistic team is in Australia to choose new talent to perform with one of the most famous cabarets that has been illuminating Paris since 1889. (Photo by Rob Griffith/AP Photo)

This picture shows a two-year old orangutan seized from a residents house at the provincial Nature Conservation and Agency (BKSDSA) office in Banda Aceh on September 16, 2014. The critically-endangered primates population are dwindling rapidly due to poaching and rapid destruction of their forest habitat that is being converted into palm oil plantations. (Photo by Chaideer Mahyuddin/AFP Photo)

A 210-kilogram-weight Epinephelussp was showed at China Fisheries & Seafood Expo in Fuzhou, Fujian, China on 24th October, 2014. (Photo by Top Photo/Sipa Press USA)

A new book published by the UK Natural History Museum showcases some of the most memorable underwater photographs taken over the last few decades in its annual wildlife photographer of the year competition. Here: Giant gathering by Tony Wu. “The first indication that something extraordinary was going on were the blows, huge numbers of them – the exhalations of huge numbers of whales. Entering the water, the photographer witnessed an extraordinary scene”. (Photo by Tony Wu/Unforgettable Underwater Photography/NHM)