|Name||Pont du Gard, France|
|Who||UNESCO world Heritage site|
|Design & Construction||Roman|
|Where||Near Nimes, France|
|Latitude||N 43 56' 51"|
|Longitude||E 04 32' 06"|
|When||1st century AD|
|Why||An aqueduct (at top level) over River Gardon to supply Nimes. There was also a roadway at the first level.|
|Overall type||Stone archs with no mortar. 6 arches at lowest level, 11 at middle level and 35 at top level.|
|Width||6 m. at bottom, 3 m. at top|
|Max. span||24.4 m.|
|How to read a bridge||Read more about arches.....
Read more about the book metaphor.....