PRESENTATION OUTLINE
arch under bridge the golden wing co
the first arch under bridge is located in Mycenaean Greece its name is Arkadiko bridge and it was made in 1300 BC it was made with lime stone they built it one stone by one.
it was used to cover to walk over the creek.
arch bridges have great naturel strength. they were orginaly made out of bricks and stones but now they are made of reinforced concreat or steel. these me aerials will help with support
High Bridge aka Aqueduct Bridge in New York USA.
Richmond bridge Australia