Roman aqueduct, Pont du Gard, Languedoc-Roussillon, FrancePuenta Bajada del Puente with view on Mezquita Cathedral, Córdoba, Andalusia, SpainAerial view of river, Sarek National Park, Jokkmokk, Lapland, Sweden
Colourful pools formed by calcite deposits, Huanglong, Sichuan province, ChinaBenson Bridge over Multnomah Falls, Columbia River Gorge, Oregon, USA
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