大草原上為何沒有樹呢 ?

open space too exposed to windthrown.
The wind blows hard and blow down the trees.
Only smaller and shorter trees can reduce the risk.

大草原上並唔係冇樹,只不過係比較少,而且大草原上亦有一些灌木叢,入面就有好多樹,有啲仲好大棵添!!!