Chinese woman Duo Zirong feeds stray cats at her home February 14, 2006 in Shanghai, China. Duo Zirong, a Daur ethnic minority group woman from Inner Mongolia and reported as the “Cat Woman”, has housed about 300 cats with her Shanghainese husband Liu Junluo and mother-in-law. (Photo by China Photos/Getty Images)

A CRH train is seen passing through Nanjing South Railway Station, which is part of the Beijing-Shanghai High-Speed Railway Line, on March 27, 2011 in Nanjing, Jiangsu Province of China. The High-Speed railway line is 1,318 kilometres long, running between Beijing and Shanghai. The line will open on June 10, 2011. (Photo by ChinaFotoPress/Getty Images)

A gallery assistant for Sotheby's auction house admires a melchior of Chateau Cheval Blanc 2006 on February 12, 2010 in London, England. The melchior sized bottle, which is 18 litres in volume, is to be sold in Sotheby's sale of “Finest and Rarest Wines & Vintage Port” on February 17, 2010 in London and is expected to fetch up to 4,800 GBP. (Photo by Oli Scarff/Getty Images)

An applicant try-out during a stewardess recruiting interview for China Southern Airlines on October 12, 2006 in Beijing, China. Over 160 candidates have competed at the Beijing Region selection for a total of 15 berths in the next stage of recruitment. The China Southern Airlines launched a nationwide campaign to single out qualified stewardesses, the first of its kind to recruit stewardesses through TV shows. (Photo by China Photos/Getty Images)

Yingluck Shinawatra reaches out to shakes hands with supporters after speaking at a rally during her election campaign June 29, 2011 in Burirum, Thailand. Thais go to the polls on July 3 to vote in a tight race between Prime Minister Abhisit Vejjajiva's Democrats and the red shirt followers of fugitive former Prime Minister Thaksin Shinawatra, who was ousted in a 2006 coup. (Photo by Paula Bronstein/Getty Images)

A Maiko, a traditional Japanese dancer, walks in the snow in Gion, Kyoto's famous geisha district, January 7, 2006 in Kyoto, Japan. The ancient city Kyoto attracts the largest number of visitors in Japan and has been increasing every year. (Photo by Koichi Kamoshida/Getty Images)

A British space-exploration company has revealed its aim to fly the public to the moon from 2015 – providing they have £100m for a ticket.

Photo: Jenn Sander from Red Robin PR, wearing a spacesuit once worn by US Astronaut Peggy Whitson, sits inside a re-entry capsule owned by Excalibur Almaz outside the Queen Elizabeth II Centre on June 19, 2012 in London, England. The company today announced their plan to fly people to the moon on what is the 40th anniversary year of the Apollo 17 moon landing. (Photo by Rosie Hallam)

Sixty-eight year old cross-country runner Rosie Swale-Pope is interviewed while sitting in her cart, “The Icebird”, in Upperville, Virginia March 13, 2015. Swale-Pope, who is from Great Britain and once ran an unsupported 20,000 mile run around the globe, is currently running across the United States from New York City to San Francisco in support of cancer research. (Photo by Gary Cameron/Reuters)