The sculpture of four presidents in South Dakota is a masterpiece of masonry.美国南达科达州的四位总统雕像可以说是石工技艺的杰作。He grew up in an out-of-the-way place in South Dakota.他在南达科他州的一处偏僻地方长大。He served as a teaching assistant at South Dakota State University.他在南达科他州州立大学任助教。He lives in Rapid City, South Dakota.他住在南达科他州的拉皮德市。