Sokoun joined us in the spare, open-air, concrete-floor living area under the second storey of the wooden house, where a middle-aged couple stood to greet us.

BBC: Piecing together puzzles in Cambodia

When it gives, it sounds like a volume of the Encyclopedia Britannica has hit the concrete-slab floor.

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The screen stops well above the sidewalk, revealing V-shaped concrete supports and a glass-walled ground floor with views of a double-height sunken gallery inside.

WSJ: Cooper Union's New Building, at 41 Cooper Square | By WSJ Architecture Critic Ada Louis Huxtable

The cell is a small, windowless room painted a nondescript beige, with a gun-metal gray floor and concrete sleeping platform.

CNN: Tour of prison reveals the last days of Saddam Hussein

Hurst had previously performed a test in his garage, in which he poured charcoal-lighter fluid on the concrete floor, and lit it.

NEWYORKER: Trial by Fire

The "cells" have a chain-link fence perimeter, a concrete floor and a wooden roof but are otherwise open to the elements.

CNN: First night in Cuba 'peaceful' for war detainees

Nearby is a pile of concrete samples littering the floor beside the Mickey Mouse dolls and other bric-a-brac.

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The floors throughout are a polished gray concrete and the walls are white, while light floods in through the floor-to-ceiling windows.

WSJ: Striking Gold in the Backyard