More details on this Rome Model:https://www.archdaily.com/892031/explore-this-1-250-model-of-ancient-rome-which-took-38-years-to-construct
How much 5,200 ft in average human speech?
At least 1 meter.
About 1560 hippos all stacked on each other.
I believe it's 1.6 km, but written with the new default Aptos font.