Demonstration of How Old

Arch bridges were commonly used in ancient times to cross rivers and valleys. The arch shape distributed weight evenly and allowed for spans longer than was possible with straight beams. This made arch bridges durable and long-lasting, many of which are still in use today.
#Arch #bridge #engineering

[@civilenggtech313]

Grt knowledge

[@akifmahmood1648]

the boy on bicycle remains happy in both cases 😊

[@civilmdc]

Good observation... He is enjoying engineering fun 😊