Here's a brief look into the construction of this ... to modern architecture. The arch will stand as a noble symbolic monument. The groupings of the buildings and relations between old and new ...

The use of the arch and keystone dates back to 6,000 B.C., but it was the Romans who expanded and perfected its use for long span construction ... of keystones used on buildings spanning its ...

These clans play an irreplaceable role in building, maintaining and protecting the bridges. As carriers of traditional craftsmanship the arch bridges function as ... scarcity of timber and lack of ...