The scoutship still lay undetected under the heavy roof of foliage provided by the tropical forest.

The building has a 140 tonns heavy retractable roof with two wings, which can be opened up in 10 minutes.

By 1910 the building was beginning to deteriorate and the brick walls were near collapse by the late 1940s, due to the heavy roof.

She walked across the intersection under the heavy dark roof of the oak branches, and quickly climbed the old wrought-iron fence.

Buildings in the area had not been constructed for earthquake resistance, having heavy roofs and vulnerable foundations.

"We don't want to be at minimum values for heavy roofs over our heads," he said.

An array of impressively proportioned posts and beams holds the heavy roof in place.

Solid-walled, with heavy roof, the elevator was a prison from which no occupant could escape in the short time that the descent required.

He stood, and shoved upward against the heavy roof.

Scaffolding had been built across from the buildings on either side, and with great effort men were hoisting heavy roof beams up.