By Bahira Amin At the foot of an 800-year-old Cairo mausoleum, weeds rise from a murky green pool — a sign of massive loss of clean water that often goes to waste instead of reaching Egyptian consumers. Beneath intricate Koranic inscriptions, the thick shrubbery crawls upwards from waist-deep water towards the 13th-century Al-Ashraf Khalil dome in the Egyptian capital’s historic quarter. But “it’s not natural” nor the result of spring water, said heritage management expert […]