Answer is in the file below
tinyurl.com/wpazsebu
Answer:
Unlike earlier Greek theatres that were built into hillsides, the Colosseum is an entirely free-standing structure. It derives its basic exterior and interior architecture from that of two Roman theatres back to back. ... The remainder of the present-day exterior of the Colosseum is in fact the original interior wall.
C tthats what i would put for my answer
Seems like it is KDKA and it was a great success