This teenager from Anhui Province has Marfan syndrome, which has caused his neck to become very long. His father says that he has three extra vertebrae, according to Anhui News.

In this photograph taken on August 25, 2016, an Afghan shepherd watches over his sheep as they graze on the outskirts of Herat. (Photo by Aref Karimi/AFP Photo)

A Palestinian youth demonstrates his parkour skills on a street in Gaza City, January 15, 2016. (Photo by Suhaib Salem/Reuters)

A fisherman carries a sailfish on his head to the fish market in Hamarweyne near the port of Mogadishu on April, 4, 2016. (Photo by Mohamed Abdiwahab/AFP Photo)

A mahout splashes water on his elephant in the river Sabarmati on a hot summer day in Ahmedabad, India, May 20, 2015. (Photo by Amit Dave/Reuters)

President Calvin Coolidge rides in a car during his inaugural parade in Washington, D.C., U.S. in March 1925. (Photo by Reuters/Library of Congress)

A man carries schoolchildren on his bicycle on a road in Srinagar, March 28, 2017. (Photo by Danish Ismail/Reuters)

A roadside currency exchange vendor sorts Indian currency notes at his stall in Agartala, India, December 6, 2016. (Photo by Jayanta Dey/Reuters)