Fireworks explode above Singapore's financial skyline at dusk as part of celebrations for the nation's 50th year of independence, Sunday, August 9, 2015, in Singapore. Singapore declared independence on August 9, 1965. (Photo by Wong Maye-E/AP Photo)

Couples take part in the “Love and Challenge Marathon” in Hanoi, Vietnam, 16 August 2015. Fifty couples, who are going to get married, participated in the event which is held the fifth time. This year, the winners of the marathon received a honeymoon trip to Malaysia. (Photo by Luong Thai Linh/EPA)

Veteran racehorse Morestead models the world's first authentic Harris Tweed suit designed for a racing horse, which has been specially commissioned by William Hill to celebrate the opening of this year's Cheltenham Festival on March 15, 2016 in the U.K. (Photo by Joe Pepler/Rex Features/Shutterstock)

A sugar cane worker poses while working in a field at Pakchong district in Ratchaburi province, Thailand March 22, 2016. The El Nino weather phenomenon has played havoc with crops across Southeast Asia and beyond. Thailand, the world's second-largest sugar exporter, will ship 20 percent less of the sweetener to international markets this year than last, and farmers fear the damage already inflicted on young cane plants could make next year worse. (Photo by Jorge Silva/Reuters)

A replica of the bust of Nefertiti stands in the Replica Workshop of the National Museum of Berlin in Berlin, October 2, 2015. The workshop plans to produce 10 to 20 replicas a year, which like the original are made of a limestone core with gypsum finish. Each one will cost 8,900 euros (9,934 US Dollars). (Photo by Axel Schmidt/Reuters)

A woman poses for a photograph with light sculptures depicting animals that make up the twelve animals of the zodiac during a photocall to promote the Magical Lantern Festival at Chiswick House Gardens in west London on January 29, 2016. The festival, to celebrate Chinese New Year 2016 – the Year of the Monkey, uses more than 50 hand-sculpted lanterns and is set to run from Febuary 3 to March 6, 2016. (Photo by Justin Tallis/AFP Photo)

A Vietnamese woman, wearing the traditional “ao dai” long dress, poses for photos along peach blossom flowers ahead of the Vietnamese “Tet” (Lunar New Year festival), in a field in Hanoi, Vietnam, February 2, 2016. (Photo by Reuters/Kham)

Party-goers partake in a festival better known as Holi One, during International Workers Day in Johannesburg, South Africa, 01 May 2015. The colour festival promotes togetherness as well as colourness in everday life. May Day is observed worldwide every year on 01 May. (Photo by Kevin Sutherland/EPA)