Clearly seen in the center of the image (see thumbnail below) is the 2,000-year-old citadel, considered the world's largest mud fortress. According to news reports, much of the medieval fortress crumbled like a sand castle when the quake hit. The citadel was a popular tourist attraction and is on the register of the U.N. Educational, Scientific and Cultural Organization and has been a World Heritage site.
Bam is located about 1,000 km (620 miles) southeast of Tehran.
Photo Credit: Space Imaging