And the mountains will become so light as wool.
The mountains will be like fluffy wool.
and the mountains shall be like puffs of wool
And the mountains are as wool
And the mountains become like the wool/dyed wool
And the mountains will be pulverized to look like the flakes of wool
And the hills will be light as wool
And the mountains will become like flakes of wool
And the mountains like (flakes of) coloured wool
And the mountains shall become like flakes of multicoloured wool
And the mountains will be like flakes of wool