“The Boeing X-45 unmanned combat air vehicle is a concept demonstrator for a next generation of completely autonomous military aircraft, developed by Boeing's Phantom Works. Manufactured by Boeing Integrated Defense Systems, the X-45 was a part of DARPA's J-UCAS project”. – Wikipedia

Photo: Two X-45A Unmanned Combat Air Vehicles (UCAV) are shown to members of the news media July 11, 2002 at Edwards Air Force Base, California. The X-45A, developed by The Defense Advanced Research Projects Agency and the Boeing Company, is the first unmanned system designed from inception for combat missions. (Photo by David McNew/Getty Images)

A woman wearing a scarf to cover her face looks on as she waits for a passenger bus on a smoggy morning in New Delhi, India, November 8, 2017. The Great Smog of Delhi is an ongoing severe air-pollution event in New Delhi and adjoining areas in the National Capital Territory of India, in November 2017. Air pollution at this time peaked on both PM 2.5 and PM 10 levels. It has been reported as one of the worst levels of air quality in Delhi since 1999. (Photo by Saumya Khandelwal/Reuters)

Find out what 2014 has in store for you and your cash. Provided by Russell Grant Horoscopes. (Photo by Toma Petrovic)

Judy, a black collie whose owner was killed by a train when trying to retrieve her after she slipped her lead. (Photo by Evening Standard/Getty Images). 17th December 1976

Actress Angelina Jolie (L) and actor Jack Black attend the “Kung Fu Panda 2” photocall during the 64th Annual Cannes Film Festival at the Carlton Hotel on May 12, 2011 in Cannes, France. (Photo by Vittorio Zunino Celotto/Getty Images)

Actor Jack Black attends the New York premiere of “Kung Fu Panda 2” at Ziegfeld Theatre on May 24, 2011 in New York City. (Photo by Stephen Lovekin/Getty Images)

An actress dressed as Black Cat poses for a photo at the London Super Comic Convention at the ExCeL Centre on February 23, 2013 in London, England. Enthusiasts at the Comic Convention are encouraged to wear a costume of their favourite comic character and flock to the ExCeL to gather all the latest news in the world of comics, manga, anime, film, cosplay, games and cult fiction. (Photo by Jordan Mansfield)

“Wong Maye-E joined AP as a staff photographer in 2003. Based in Singapore, Maye-E's work is centered around Sports reportage, entertainment, politics, and regional news stories. Maye-E has covered headlining events such as the 2014 World Cup, Thailand political protests, and the devastation of the Philippines Typhoon”. – Associated Press. Photo: A baby black howler monkey (Alouatta caraya) clings onto its mother's back on Thursday January 29, 2009 in Singapore where it's national zoo is actively involved in the conservation and education of wildlife reserves. (Photo by Wong Maye-E/AP Photo)