Tourist interest in the Azure Window, long considered a landmark of the Mediterranean, rose after it was used as the setting for the wedding of Daenerys and Khal Drogo on Game of Thrones.

But this was not Malta’s only arch, nor the only location on Gozo featured on the HBO blockbuster. So though Dwejra Window is gone, Malta’s tourism minister told local reporters he’s confident that visitors will keep coming.

The blank space that remains where the arch once stood is like a natural zen koan, asking a perplexing question. If a frame falls into the sea and isn’t first captured on film, did it ever exist?

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