Bridges
There are four main types of bridges
.Beam bridge
.Cantilever bridge
.Arch bridge
.Hanging bridge
A beam bridge is the most simple of all the bridges.
A cantilever bridge can have one or two support
systems.
An arch bridge is like a curve(a rainbow) from one
point to the other.
A hanging bridge is normally found in forests
and jungles and only uses rope and wood(jungle
supplies)
bridges helps the load and people get across
Bridges are used to
help people and
load get across
places like lakes
and rivers.
This is London bridge
seen in jungles
Bridges are important