A protester spits fire during a protest to mark the second anniversary of months of civil unrising against social inequality, in Santiago, on October 18, 2021. The social-justice protests that rocked Chile in October 2019 led ultimately to the decision to create a new constitutional convention to draft a constitution to replace the one written during the dictatorship of Augusto Pinochet (1973-1990). The new 155-member the new body is in charge of writing a new constitution meant to pry power from the hands of the elite and spread it more equitably in the South American nation. (Photo by Martin Bernetti/AFP Photo)

Members of the South Korean Special Weapons and Tactics team exhibit their skill during anti-terrorism exercises at a training camp on May 30, 2005 in Seoul, South Korea. (Photo by Chung Sung Jun/Getty Images)

A police officer jump ropes with a police dog at a police dog training base on July 11, 2011 in Beijing, China. The Police Dog Training Base was opened to a media visit to show the dogs skills to the public. (Photo by ChinaFotoPress/Getty Images)

Spanish artist Romulo Celdran (b. 1973) brings exquisite technical skill, a fastidious eye, and a scientific attention to detail to both his mixed-media drawings on board and his larger-than-life sculptures of quotidian objects.

A Palestinian youth jumps with a sword as he demonstrates his ninja-style skills for the photographer in front of the ruins of buildings, that were destroyed in 2014 war, in the northern Gaza Strip January 29, 2016. The youths, who have been receiving martial arts training at local clubs in Gaza for the past two years, decided to form a team to hold regular shows in the hope that the publicity generated will eventually lead to them being invited to participate in international contests. (Photo by Mohammed Salem/Reuters)

In this July 10, 2014 photo, Chris Minore, of Orange, Conn., performs the under chop technique at the Adirondack Woodsmen's School at Paul Smith's College in Paul Smiths, N.Y. Eighteen young students in matching gray sports shirts took part recently in a weeklong crash course on old-school lumberjack skills such as sawing, chopping, ax throwing, log boom running and pole climbing. (Photo by Mike Groll/AP Photo)

Using his camera skills, Marc meters the background sky in order to achieve the beautiful black silhouettes of the wildlife, Africa, 2010-2016. (Photo by Marc Mol/Barcroft Images)