Panther Nostoc flagelliforme: Nostoc flagelliforme, homophonic for "getting rich", belongs to Cyanophyta in plant taxonomy, an algae containing algae. This kind of algae grows in desert and semi-desert areas, and it appears every spring and summer after rain. Ningxia Nostoc flagelliforme is slender, black and bright in color and pure in quality. Harvest in late autumn and early spring. The production process is to pick out the "Chinese cabbage" with impurities, remove impurities, wet, dry and package. Fresh Nostoc flagelliforme is blue-green or brown, black after air-drying, and its shape resembles that of oriental women's hair, hence the name. It is a kind of high-grade food, which is called "Delicious Eight Treasures" together with sea cucumber, fish maw, bird's nest, squid, Hericium erinaceus, shark's fin and bear's paw, and it is an essential delicacy for holiday feast. Nostoc flagelliforme is nutritious and easily absorbed by human body. Its protein content is 20 times that of eggs, and it contains more sugar, fat and calcium, and is rich in minerals such as phosphorus and iron. In medicine, it can help digestion, relieve fatigue, clean the stomach and lower blood pressure. After the operation, patients can eat Nostoc flagelliforme to promote wound healing.

"Five treasures of Ningxia" skillfully make the Olympic emblem

The children showed their designs of the emblem of the 2008 Beijing Olympic Games made of five treasures of Ningxia-Lycium barbarum, tan sheepskin, Helan stone, licorice and Taixi coal.