By Charbel Moujalli   In the Nabatieh district of Southern Lebanon, a ruined fortress stands on the lip of a cliff that falls some three hundred metres to the water below. I looked upon it myself in 2018. Unlike its surrounds, the castle struck me as rather unassuming. The Crusaders who held it in the twelfth century called it Beaufort – the “beautiful fortress”. To locals, it is known as ‘Qal‘at al Shaqif’, the Castle of the High Rock. A stronghold married so…