<prompt> Translate the following text to SwahiliWhen Lake Nasser threatened to flood the complex in the 1970s, engineers had the unenviable task of formulating a plan to save it and this they did with consummate skill.  <response>: Wakati Ziwa Nasser lilipotisha kufurika katika miaka ya 1970, wahandisi walikuwa na kazi ya kutisha ya kutunga mpango wa kuokoa, na walifanya hivyo kwa ustadi mkubwa. 