People carry lychee for sale on a motorbike on a street in Luc Ngan, Bac Giang province, Vietnam, 22 June 2016. Lychee output in Bac Giang province is expected to reach 130,000 tonnes this year. China is still Vietnam's main lychee export market so far, buying around 60 percent of the annual crop, according to official reports. (Photo by Luong Thai Linh/EPA)

Participants share a moment after performing at a cultural program during India's Independence Day celebrations in Ajmer, in the desert state of Rajasthan, India, August 15, 2016. (Photo by Himanshu Sharma/Reuters)

A model attends a fashion show at the “German Fetish Ball” in Berlin, Germany on May 12, 2018. (Photo by Hannibal Hanschke/Reuters)

A photographer in Somerset, South West England captured the mating rituals of toads as several males attempt to mate with one female all at once. (Photo by John Waters/NPL)

A youth in costume hurries past a mural after dancing at the Sun Festival in Cotacachi, Ecuador, Sunday, June 24, 2018. Across the Andes, from the tip of Argentina as far north as Colombia, indigenous communities are gathering for the southern hemisphere's winter solstice to honor the ancient sun god. (Photo by Dolores Ochoa/AP Photo)

French President Emmanuel Macron performs at the Shrine Africa in Lagos on July 3, 2018. French President Emmanuel Macron has arrived in Abuja for a meeting with his Nigerian counterpart Muhammadu Buhari, in his latest attempt to forge closer ties with English- speaking Africa. (Photo by Ludovic Marin/AFP Photo)

Smoke rises from a replica of a T-Rex after it burst into flames at the Royal Gorge Dinosaur Experience in Canon City, Colorado, U.S. in this picture obtained from social media March 22, 2018. (Photo by Reuters/Royal Gorge Dinosaur Experience)

Beda Haemmerli drives his 1936 Ford Indy race car (front) through a steep turn during the Indianapolis in Oerlikon race demonstration at the Offene Rennbahn cycling track in Zurich's Oerlikon suburb, Switzerland July 24, 2018. (Photo by Arnd Wiegmann/Reuters)