our first day in cairo sachin and I wandered onto an aqueduct. this particular portion begins at the nile, with a pump to draw water from a well next to the river, and ends at the metro line, where the arched structure was simply demolished.
the tall open structure (we only had to remove a small wire from the barricade to open it and get in) gave us a spectacular view over Cairo, and a chance to see what was happening on top of the buildings, many of which are unfinished. I am told that this is because there is a different tax structure in cairo for finished vs. unfinished buildings, the latter being the cheaper alternative. therefore building owners might leave the structural brick exposed, extend concrete columns in preparation for the next floor, or leave out the final enclosure elements.
an active element on many roofs is the water tank, which is often surrounded by a lightweight shade structure of dried grasses, likely papyrus or cane, or wood slats. one of few rural references in cairo’s sea of red brick, the structures take an edge off the harsh sun and offer a quick solution for shade on the roof or at the street, as well as temporary shelter or an initial cover for space grabbing.
finally, the aqueduct itself acts as a wall for the city. to the north, the nile runs up to downtown, and a major east west thoroughfare runs along the aqueduct. to the south, dense settlements press up against it.
despite the density, there is still space for birds.