# trees - 4 season broadleaf tree & Pine tree, Oak, Zelkova, Willow
# bricks - cool tone & brown tone( you can use these to build ramparts up or stone path.) (If you want to extend , you should use middle one) and 4 colors bricks pieces.
# bridge - made by wood, stone( stone : 3-typed shape; western, nature and oriental things) (If you want to extend bridge, you should use middle one)