The others were behind or in the middle of thick bushes.
Very much on the alert, we followed him into thick bush.
Then he turned south and hid under a large, thick bush.
But we soon got lost on the worst bit of the descent in thick bush.
They sat down again on a bench among some thick bushes.
I was not in a cave at all, but under some thick bushes.
They are presumed to be dead or hiding in the thick bush.
In the chaos and thick bush, the force got separated.
There were thick bushes on either side, covered with snow.