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I was just wondering if you could answer this: it is said that thamud built the buildings in al hijr but other people say that it was the nabataeans and the buildings are dated to 400 bc and we know thamud existed before Abraham and more and likely thamud and aad were close to noah and we know noah existed atleast 70 thousand years bc or probably even before that so you see the problem it doesn’t make sense and a few hadith suggest that these buildings were built by thamud but the dates say the buildings were built 400 bc. just an athiest gave me this question and I didn’t know what to say