The roof plaza is designed from the local grassland and rock land.

而屋顶广场的设计是来源于一当地的草原、远古石质地貌。

youdao

First to colonize the barren land are the lowly lichens, surviving on bare rock.

贫瘠的土地上首先长满了地衣这种低等植物，它们在裸露的岩石上生存。

youdao

During the dry season the land is rock hard.

土地在旱季硬如岩石。

《柯林斯英汉双解大词典》

The lakes cover 59, 000 hectares of rock and desert land.

CNN: Oasis from the ruins: Afghanistan opens first national park

This activity could throw up rock fragments that would land in the crater itself or on to the flanks of the volcano.

BBC: NEWS | Americas | Concern over rumbling US volcano

Gene Pfeifer, a businessman who owns part of the planned site, has protested both about the size of the scheme and the way in which Little Rock has set about obtaining the land.

ECONOMIST: Urban development