in 1736, people in xiaolan started to hold "chrysanthemum planting contest", in which people gathered the chrysanthemum together and saw whose was the best. the judges decided which one was the winner with the criteria of the shape of blossoms and the density of leaves. five years later, instead of a contest, people started to hold "chrysanthemum gathering". during that, families and close friends gathered together with the chrysanthemum they planted. at the same time, people drew pictures of the blossoms, write and read poem about the blossom and drink liquor together. in 1782, the gatherings got larger, as more and more people hold them together. in these larger gatherings, people start decorating their houses with chrysanthemum, making the beautiful "chrysanthemum tower" and "chrysanthemum terrace".