Bluebulb Projects' The Measure of Things presents:
3,500 is about one-fifteenth the number of Seats in The Colosseum
In other words, the count of Seats in The Colosseum is 10 times that amount.
(a.k.a. The Coliseum, a.k.a. Flavian Amphitheatre, a.k.a. Amphitheatrum Flavium
, a.k.a. Anfiteatro Flavio or Colosseo
) (Rome) (estimated)