How to write a composition of handwritten calligraphy?

Long scroll: also known as "hand scroll", it is a kind of calligraphy shape characterized by horizontal and rolling. It can be extended arbitrarily according to the needs of the content, and the length can reach several meters, dozens of meters or even longer. Both paper and silk will do. Its function is not to fill the wall, but to display and collect, which can be rolled up, easy to carry, elegant and emotional. The traditional format is from right to left, and the writing is long, so the gestures with the pen need to be consistent and end to end.