Anchor: The present city walls that make the Old Cityso impressive and give it architectural coherence were built in 1538, on the foundations of ancient walls that had been demolished at the end of the Crusades.
Entailed: The walls surrounding the Old City were built in 1538, after the old walls were destroyed during the Crusades.
Contradiction: There have been no new walls built since they were destroyed during the Crusades.
Contradiction: I haven't picked it up, let alone used it, in years.
Contradiction: A man performing a guitar.
Contradiction: His gravestone has fallen into disrepair.
Contradiction: Engineers were able to save the complex from Lake Nasser's floodwaters in the 1970s.