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Hagia Sophia: Istanbul's Ancient Mystery
How has this unique structure, built on a seismic fault, survived centuries of quakes?
Aired: 02/25/15
Expired: 02/15/18
Video has closed captioning.
Hagia Sophia: Istanbul's Ancient Mystery
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Hagia Sophia: Istanbul's Mystery Preview
How has this unique structure, built on a seismic fault, survived centuries of quakes?
