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| Rio Guadiana at flood stage, on March 5, 2010, near Ciudad Real, Castilla-La Mancha, Spain.. |
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| Rio Cabra, at Cabra, Spain, on March 6, 2010. |
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| Limestone cave, in Sierra Subbetica, Andalucia, Spain. |
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| Edge of Sierra Subbetica, Andalucia, Spain. |
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| Emidio Santos and Miguel Coutinho at IST, Lisbon, Portugal. |
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| With Emidio Santos at IST, Lisbon, Portugal. |
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| With Miguel Coutinho at IST, Lisbon, Portugal. |
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| Lecturing at the University of Algarve, Faro, Portugal. |
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| With colleagues at the University of Algarve, Faro, Portugal. |
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| Portuguese "pedras da rua." |
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| Roman freeze at Milreu, Faro, Portugal, dating back to 300 AD. |
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| Roman freeze at Milreu, Faro, Portugal. |
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| Roman freeze at Milreu, Faro, Portugal. |
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| Roman remains at Milreu, Faro, Portugal. |
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| Roman freeze at Milreu, Faro, Portugal. |
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| Roman wall at Milreu, Faro, Portugal. |
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| Roman remains at Milreu, Faro, Portugal. |
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| At Roman remains at Milreu, Faro, Portugal. |
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| Roman remains at Milreu, Faro, Portugal. |
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| Roman bust at Milreu, Faro, Portugal. |
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| Roman bust at Milreu, Faro, Portugal. |
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| Roman columns at Faro, Portugal. |