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Croatia - Krka waterfalls
1992 visits
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相片 12040
4671 visits
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相片 12187
4074 visits
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相片 12200
4769 visits
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相片 12298
4290 visits
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LED laser (5,5W power) close-up showing stacked diodes one on another.
3526 visits
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LED laser (5,5W power) close-up showing stacked diodes one on another.
3308 visits
