Arizona PBS Previews

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

Rating: NR

Problems Playing Video? | Closed Captioning

Arizona PBS Previews is a local public television program presented by Arizona PBS.