The Lithuanian military has installed anti-tank obstacles at unused roads at border checkpoints with Russia and Belarus. The obstacles are known as "dragon teeth" - pyramid-shaped concrete anti-tank ...

A very unusual part of Guildford has been given special protection by Heritage England because of how rare it is. Those who have ever gone for a walk in Thorneycroft Wood in Guildford may have spotted ...

July 17, 2025: Dragon's teeth are fortification obstacles made of reinforced concrete, typically shaped like large pyramids or truncated cones, and are designed to slow or block the advance of tanks ...