Beyond the guest house, also white, was a third structure, smaller than the other two, mostly hidden by the others.

Laser altimeter and radar sounding data from orbiting spacecraft have identified a large number of basin-sized structures previously hidden in visual images.

The security office was housed in a mobile trailer, a boxy, prefab structure well hidden behind the main hotel structure.

He conjured up a picture of the dilapidated structure, all but hidden under the thick branches at the edge of a eucalyptus grove.

Access to both sites is strictly limited, with the common public allowed to see little more than the thatched roofs of the central structures, hidden behind four tall wooden fences.

Neuter stones are used for structures hidden underground.

Blue Beach, a few miles farther east, has a few concrete structures hidden among the palms and a soothing view of open blue sea.

Many of the Spanish-built walls collapsed, revealing parts of the original structure hidden for centuries.

However, several birds have a claw- or nail-like structure hidden under the feathers at the end of the hand digits, notably ducks, geese and kiwis.

Recent radar scans from the orbiter reveal a maze-like structure hidden below a thick cloud of water vapor in the Valles Marineris.