A visitor views a human body specimen during the “Human Body's Wonder Scientific Travelling Exhibition” at the Haikou Gymnasium April 30, 2006 in Haikou of Hainan Province, China. The exhibition displays 13 complete real human body specimens and about 300 pieces of small samples, such as organs, skin, etc with the purpose to promote science and help people know more about their bodies. (Photo by China Photos/Getty Images)

Pakistani volunteers carry an injured passenger following a bomb blast in Peshawar, Pakistan, Wednesday, March 16, 2016. A bomb ripped through a bus carrying Pakistani government employees in the northwestern city of Peshawar on Wednesday, killing a number of people, police said. (Photo by Mohammad Sajjad/AP Photo)

The sculpture “It Takes Two to Tango” by Scottish sculptor David Mach is seen in front of the headquarters of the CMA-CGM shipping company office tower in the port of Marseille, France, March 15, 2016. (Photo by Jean-Paul Pelissier/Reuters)

A woman washes her dishes outside the temporary shelter built near the houses damaged during an earthquake earlier this year, in Bhaktapur, Nepal December 28, 2015. (Photo by Navesh Chitrakar/Reuters)

“After an afternoon of hiking and exploring the caves of Rhossili Bay, West Glamorgan, we caught the sun breaking through the clouds”. (Photo by Megan Warren-Davis/The Guardian)

Revellers, dressed as “Zarramaches”, pose inside the city hall during celebrations to mark Saint Blaise's festivity in Casavieja, Spain February 3, 2017. (Photo by Sergio Perez/Reuters)

The Mike O'Callaghan–Pat Tillman Memorial Bridge is an arch bridge in the United States that spans the Colorado River between the states of Arizona and Nevada. The bridge is located within the Lake Mead National Recreation Area approximately 30 miles (48 km) southeast of Las Vegas, Nevada, and carries U.S. Route 93 over the Colorado River.

A model gets ready backstage during the Tbilisi Fashion Week in Tbilisi, Georgia, on October 27, 2017. The presentation of the Spring/Summer 2018 collections runs from 27 to 30 October. (Photo by David Mdzinarishvili/Reuters)