Palestinian female Hamas security officers demonstrate their skills during a graduation ceremony in the northern Gaza Strip, Wednesday, April 2, 2014. 1200 officers graduated from advanced training courses that lasted one year in Gaza police academy of Hamas. (Photo by Adel Hana/AP Photo)

Izelle Nair, 39, the instructor at the Merschool poses for a portrait in her mermaid attire at the centre in Kayalami, Midrand, South Africa on June 3, 2022. Mermaiding is a fast growing sport world wide and includes several skills such as monofin swimming, sculling, tricks and breath hold. (Photo by Marco Longari/AFP Photo)

Servicemen demonstrate their skills during a rehearsal for the Victory Day military parade which will take place at Dvortsovaya (Palace) Square on May 9 to celebrate 78 years after the victory in World War II in St. Petersburg, Russia, Thursday, May 4, 2023. (Photo by Dmitri Lovetsky/AP Photo)

Filippo Negroli (ca. 1510–1579) was an armourer from Milan. He was renowned as being extremely skilled, and may be considered the most famous armourer of all time. Working together with his younger brothers Giovan Battista (ca. 1511-1591) and Francesco (ca. 1522-1600) in the Negroli family workshop headed by their father Gian Giacomo Negroli (ca. 1463-1543), Filippo was specialized in repoussé of armour, whereas his brother Francesco was renowned for his damascening skills.

Shaolin monks pose for a photograph in Chinatown on February 23, 2015 in London, England. The monks practice Shaolin Kung Fu which is believed to be the oldest institutionalised style of kung fu and are demonstrating their skills while in the UK. (Photo by Carl Court/Getty Images)

Members of the Jordanian police women's team attend the 7th Annual Warrior Competition at the King Abdullah Special Operations Training Center in Amman April 22, 2015. Thirty-eight teams from 18 countries are participating in the competition to test their military skills. (Photo by Muhammad Hamed/Reuters)

Young Christian Lebanese women, who are members of Kataeb Phalangist party, show their skill in handling arms while they train in a village between Christian-controlled eastern port of Jounieh and the Christian village of Zahle in the west Lebanon on September 9, 1976. The Lebanese civil war erupted in April 1975. (Photo by Erich Stering/AFP Photo)

Hindu holy men display their yoga skills before media on International Day of Yoga at the Kamakhya temple in Guwahati, Assam, India, Wednesday, June 21, 2023. The holy men from different parts of this northeastern state arrived at the temple to attend the Ambubachi festival that starts on Thursday. (Photo by Anupam Nath/AP Photo)