<human>:  Can an adult male stand on top Donatello's bronze David and touch the Sistine Chapel ceiling?
<bot>: No, an adult male cannot stand on top Donatello's bronze David and touch the Sistine Chapel ceiling. Donatello's created a bronze David statue that stands over five feet tall. The average height of an adult male is five feet and nine inches. The tallest adult male in history was eight feet and eleven inches. The Sistine Chapel ceiling is sixty eight feet high. So the answer is no.