When the Bam earthquake of December 2003 destroyed one of Iran's greatest sights - the ancient Bam citadel in the eastern province of Kerman near the border with Pakistan - it wasn't just Iranians who mourned its loss. The citadel was a World Heritage-listed treasure, and one that had astonished thousands of tourists.
The destruction was so absolute there are no plans to attempt to restore the magnificence of Bam. Instead the ruins of its former glories have been left as a testament to the power of nature, even over a structure that has withstood centuries of human settlement, strife and war.
It is rather poignant though that many tourist hotels and shops in Kerman province and beyond still stock guidebooks about Bam, even posters and postcards - no one really wants to let go of it.
However, a little to the east, about an hour's drive from the city of Kerman, lies a tiny adobe citadel that has a little ironically experienced something of a renaissance since the destruction of its more illustrious neighbour.
The citadel of Rayen is over 1000 years old and was slowly crumbling back into the desert until the Bam earthquake. Only then did the powers-that-be realise its worth and being an extensive programme of restoration.