Each of the first three levels of the Colosseum has eighty large rounded arch openings.
Each of the first three levels of the Colosseum has eighty large rounded arch openings.
罗马)竞技场底部分三层，每层都有八十个宽大的圆拱门。
Each of the first three levels of the Colosseum has eighty large rounded arch openings.
罗马)竞技场底部分三层，每层都有八十个宽大的圆拱门。