starting the first tree, close your eyes and imagine the tree. If you
have the opportunity to draw the tree in the countryside the result
would be better.
will see that we are going to outline the tree with simple curves.
small sanguine block around the trunk and add the first shadows. This
will add volume to the trunk.
add the shadow to the same side.Draw a few fine lines with the sanguine
on its side and using one of its edges. We will make the branches finer
than the top of the tree.