In 1919 Tello was working with a team at the Chavín de Huantar archeological site, where he discovered a stele. (It has since been named for him, the Tello Obelisk.)
In 1919, Tello was collaborating with a team at the Chavín de Huantar archeological site, where he discovered a stele (It has since been named after him, the Tello Obelisk).