Heidelberg Castle — Green

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Heidelberg Castle on a cloudy day

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Cliffside Castle Ruins

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Ancient Castle on Cliff — Green, Serene

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Castle on a rocky hill

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Town on a Bay — Blue, Dramatic

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Town by Lake and Mountains — Blue

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Ancient church on a hill

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Dunnottar Castle Ruins — Green

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castle by a river in Scotland

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Acropolis of Athens — Blue, Serene

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traditional chinese architecture

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