31
Mr. Beaver
explains to Karim
how they carry the
logs and branches
into the water
(page left) and
then how Mrs.
Beaver sticks
them together.
build is very strong and it becomes bigger and stronger
every day. As the barrier gets larger, the level of the
water collected before it rises. So after several months,
a dam pond is formed. But as the pond becomes
enlarged, we must strengthen and repair the dam. As Mr.
Beaver said, we fill in the spaces between the branches
with mud and bushes. By the way, there is one more
thing which is very important. Have you noticed the
shape of our dam? It looks like an arch, doesn’t it?