| Portal | Thursday, November 21, 2024 06:36 hr PDT [UTC - 7] |
|
|
| |
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
| To refresh picture | Chuntacala Creek bypass, Cuajone, Peru (2007) |
| Roman aqueduct at Segovia, Spain | Portal Civil and Environmental Engineering SDSU |