http://agathe.gr/overview/the_stoa_of_attalos.html
The Stoa of Attalos The Stoa of Attalos was originally built by King Attalos II of Pergamon (159–138 B.C.), as a gift to the Athenians in appreciation of the time he spent in Athens studying under the ... II of Pergamon (159–138 ... original roof line, allowing ... master masons, 20 carpenters,