21.   Near dusk, a caravan of tanks and armed personnel carriers rumbled down the main road south of the capital toward Paktia province and the high-elevation combat.

22.   On Monday, the Seattle-area couple and a third skier were killed when an avalanche rumbled down a mountain in Canada.

23.   Parked on a slight incline, the unmanned tons of steel started inching eastward, then rolling and finally rumbling down a single track.

24.   Our floating reverie was broken by the racket of a freight train, rumbling down the Union Pacific tracks that border most of the Upper Arkansas.

25.   Public transportation was shut down, and municipal tractors and bulldozers rumbled down the streets trying to clear them.

26.   Several acknowledged that the houses that had rumbled down the bluff had been illegally built in a zone where construction is prohibited.

27.   Shortly afterward, a van rumbled down the road that leads into the fortress, kicking up dust.

28.   Squads of bikers come rumbling down the hill while RVs struggle up the hill.

29.   SWAT team members in an armored personnel carrier rumbled down neighborhood streets.

30.   The buses rumble down the parkway bearing old people from rest homes with dollars in their pockets for the slot machines.