Several slabs of the tunnel had slid downwards, like slices off the end of a hollow loaf.
If triggered correctly, a slab of stone slid open.
A great slab of stone turned red behind us and slid toward the floor, half flowing.
Lur drew a breath of relief, walked over to a side, and a slab of stone slid open, revealing a passage.
Outside, massive slabs of the city's ramparts and towers slid away into the yawning chasms between the steeply sloped structures, like icebergs calving from a glacier.
Far below the hovering transport, a dozen slabs of duralloy armor slid sideways to uncover an equal number of dark, circular bores.
Huge slabs of rock slid to the bottom of the canyon in a thunderous avalanche.
Pillars fell in, the slabs of the roof slid down, the ice crackled and splintered.
A slab in the temple floor slid aside, showing a flight of steps.
A small slab slid aside and a rusty metal hook descended slowly and jerkily.