Water seeping into and freezing in these numerous small holes would rapidly break the rock, creating the large &quot;chimneys".
(Water; seeping; into) (Water; freezing; in these numerous small holes) (Water seeping into and freezing in these numerous small holes; would rapidly break; the rock)
Water Water Water seeping into and freezing in these numerous small holes
seeping freezing would rapidly break
into
in these numerous small holes
the rock