NOVA: Sinkholes
Preview | 30s
"Sinkholes: Buried Alive" – Investigate how sinkholes form and what it's like to have your world vanish beneath your feet. (Also Fri. 10/23 at 3 a.m.; Sun. 10/25 at 1 p.m.)
Aired: 10/21/15
Expired: 10/20/15
Arizona PBS Previews is a local public television program presented by Arizona PBS.
