Blue whale vs Colosseum: size comparison
Blue whale: 24 m. Colosseum: 48 m. Both silhouettes are drawn at the same scale.
Size ratio: ×2
Blue whale
24 m
What is measured Length of an adult blue whale
It is the largest animal known to have ever lived.
Source : Wikipedia — Blue whale
Colosseum
48 m
What is measured Height of the outer wall of the Colosseum, Rome
It could hold between 50,000 and 80,000 spectators.
Source : Wikipedia — Colosseum