this is where, for 3,000 years, athenians gathered.le the acropolis was the center of ritual and ceremony, the agora was the beating heart of ancient athens. for some 800 years, starting in the 6th century b.c., this was the hub of commercial, political, and social life. visitors wander the remains of what was the city's principal shopping mall and administrative center. exploring the agora, it's fascinating to ponder the world of plato and aristotle and the age which laid the foundations for western thinking about economics, democracy, logic, and more. the stoa of attalos, from the 2nd century b.c., was rebuilt in modern times to house the agora's museum. with so little of the agora still standing, this reconstruction makes it easier to imagine the site in its original glory. crowds would gather in shady porticos like this to shop, socialize, or listen to the great philosophers of the age. in fact, socrates spent much of his life right here, preaching the virtues of nothing in excess and urging those around him to "know thyself." the