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To refresh picture | Thursday, April 3, 2025 03:33 hr PDT [UTC - 8] | Last update: Thursday, April 3, 2025 |
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Papers: 1/ 2/ 3/ 4/ All/ Topical/ LegacyContributions/ | Roman bridge over the Guadiana river, near Merida, Spain, built in the 1st Century B.C. |
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Slide show ⇒ VSlow Slow Normal Fast VFast Thanks to | Civil, Construction, and Environmental Engineering SDSU |
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