| A commuter van from NASA's jet propulsion laboratory tumbled 20 feet down a mountain road this morning. |
| As she said it, she flung the door open, and a young man tumbled into the room. |
| I tumbled into the pile of dry leaves that my father was raking up in the yard of our small suburban house. |
| Picture a cross between Machu Picchu and greek acropolis, all tumbled down. |
| As the room swirled and tumbled around him, Fleet caught only a few quick glimpses of what happened next. |
| Rocks tumbled from an old castle above island's main town, Linaria, and smashed onto parked cars. |
