1. The Architecture of Ancient Rome
First, they made a boat bridge which consisted of boats lain side by side. ... It was to be made of wood and supported on stone towers called piers which were to stand in the river. ... The finished road stood over sixty feet above the river. ... A vault is an elongated arch that is made of many arches laid side by side. ... To achieve greater spans with low ceilings, barrel vaults were built side by side, supported on side walls pierced with arches. ...
- Word Count: 1593
- Approx Pages: 6
- Grade Level: High School