How was Malta's Azure Window formed?


Malta Azure Window. javier.losa

The geological feature, which collapsed into the sea 8 March 2017, developed over an estimated 500 years by erosion from sea and weather. It's the same factors which made it collapse, though tourists had continued to walk over it which probably didn't help. There are more than 20 natural arches in Malta, but this was particularly picturesque and famously featured in Game of Thrones.

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