I'm not sure why BBC finds it so fascinating that the Moors were able to dig ditches and channel water through them 500 years after the Romans had built highly advanced aqueducts in Spain ( https://en.wikipedia.org/wiki/Aqueduct_of_Segovia , https://fascinatingspain.com/place-to-visit/the-best-of/the-... ). All I can guess is that some civilizations are more in vogue than others. In fact when the Moors invaded Spain,…
> in a fit of religious fanaticism Umayyids (the "Syrians" who conquered Spain) and religious fanaticism don't go hand in hand: Most Umayyid rulers were political nihilists at best. https://en.wikipedia.org/wiki/Umayyad_Caliphate#Legacy
Compare Spain today; you can barely get around without being fed jamon. My understanding is that historically there was actually a purposeful, vindictive re-introduction of pork in to (nearly all) Spanish food to "flush out" any Muslims in hiding after the Moorish period and this culture of ham-in-everything has basically continued to the present. (Source: Traveling with a Muslim in Spain)