generate me a coloseum in minecraft...

generate me a coloseum in minecraft like in this image. Make sure it is highly detailed. Do not lose any detail on any of the arches or pillars or passages. makes sure the colosseum is slightly eliptical not perfectly circular. include all of the details in this image but as the whole coloseum not just one side.https://uk.pinterest.com/pin/game-assets-11--13159023903946472/