21.   The rock is rich in mineral salts.

22.   The rocks were crushed into dust.

23.   The rocks are all the colours of the rainbow, with reddish pink and yellow dominant.

24.   Volcanism and uplift without rifting is exemplified in North Africa where Neogene volcanic rocks are to be found on the Tibesti and Ahagger Plateaus.

25.   In this region, as in many others, the intruded rock is more resistant than the surrounding country rock and gives rise to prominent topographic features.

26.   At parts of the site where the rock was less than one and a half metres deep, in situ concrete was poured directly down onto the rock.

27.   What the rock is like?

28.   Along the way, the exposed rock is dotted with islands of vegetation called vernal pools.

29.   And regardless of whether rock is dying, hip-hop continues to grow in the creativity department.

30.   And the rock was the basketball.