Read the passage below and choose one correct answer for each question.

The dragon dance and the lion dance was originated from China, and it has introduced to many parts of the world. The dragon dance and lion dance are also popular in some traditional festivals in Vietnam. Dragons symbolize wisdom, power and wealth and they are believed to bring good luck to people. The origin of the dragon dance can be dated back to the Han Dynasty (206 BC-220 AD). It was then used in ceremony for worshiping ancestors and praying for rain, and it gradually developed  into an entertainment activity. By the Tang Dynasty (618-907) and the Song Dynasty (960-1279) it had become a common ceremonial activity in festivals like Chinese New Year.

The dragon body is woven in a round shape of thin bamboo strips, segment-by-segment, and covered with a huge red cloth with dragon scales decorating it. The whole dragon is usually up to 30 meters in length - and people hold rods every 1 to 2 meters to raise the dragon segments.

What does the image of a dragon represent?