Old cannonballs in the center of Famagusta, Turkish part of Cyprus, Cyprus, Europe

The White Tower, Tower of London, UNESCO World Heritage Site, London, England, United Kingdom, Europe

Eerste Middeleeuwse Omwalling (First Medieval City Wall), dating from 1229, Maastricht, Limburg, The Netherlands, Europe

Fort San Diego in Acapulco City, State of Guerrero, Mexico, North America

Obsidian knife on display at the Egyptian Museum, Cairo, Egypt, North Africa, Africa

Old canon on Pigeon Point overlooking Rodney Bay, St. Lucia, Windward Islands, West Indies, Caribbean, Central America

Lakshaya Raj, son and heir of 76th Maharana of Mewar, Shriji Arvind Singh Mewar of Udaipur, at Holi Festival at the City Palace, Rajasthan, India

Lakshaya Raj, son and heir of 76th Maharana of Mewar, Shriji Arvind Singh Mewar of Udaipur, at Holi Festival at the City Palace, Rajasthan, India

Look of the fortress Spanjola on the harbour of Hvar, Island Hvar, Dalmatia, Croatia

Cannon outside the fortress of the Ottoman castle of Gjirokaster or Gjirokastra. Albanian

View of a beautiful rainbow arched amidst vast and lush meadows, St. Kitts, Leeward Islands, Caribbean

An ornamental cannon near a seashore, St. Bant's

Side view of a Dockyard canon, Somerset, Bermuda

Ancient cannon at the seaside, Providencia y Santa Catalina, San Andres y Providencia Department, Colombia

Side view of an old cannon, Plantation, St. Croix, U.S. Virgin Islands

Ramesses II in Chariot, Sunken Relief, Hypostyle Hall, Ramesses II Temple, UNESCO World Heritage Site; Abu Simbel, Egypt

Greece, Rhodes, Stone shield on medieval fortified wall