1. Take out a square piece of colored paper, fold it in half on the opposite side, then unfold it, and continue to fold it in half on both sides in the middle.

2. After unfolding, the other side is unfolded by the same folding method, and the two opposite corners are folded by creases.

3. Then the two sides are folded in half, then the triangle is obliquely folded in half, and the two sides are folded in half to form a parallelogram.

4. Turn it over, the two corners continue to be folded in the middle, and finally it is folded into a small triangle, and the other two colored papers are folded into a triangle according to the above folding method.

5. Then the three triangles are assembled with each other, and the zongzi is finished.

Origami is an artistic activity of folding paper into various shapes. Origami is not limited to paper. Origami lovers all over the world use various materials, such as tin foil paper, napkins, acetic acid tablets and so on. , while observing the folding specifications.

Origami originated in China in 1 or 2nd century, and was introduced to Japan in 6th century, and then spread to the whole world through Japan. It is also said that origami originated in Japan and Spain.

The combination of origami and natural science has not only become an auxiliary teaching tool in architectural schools, but also developed origami geometry as a branch of modern geometry. Origami is not only a toy, but also a thinking activity. This is a way to symbolize peace and commemoration, and it is also a way of entertainment.

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Dragon boat race:

There are several stories about the origin of dragon boat racing, and the one we are most familiar with is to commemorate Qu Yuan. Legend has it that after Qu Yuan jumped into the Miluo River on the fifth day of May, the local people immediately rowed over to rescue him, and all the way to Dongting Lake, but Qu Yuan's body was not found. It was raining that day, and the boats on the lake gathered beside the pavilion on the shore.

After others knew it, they all came in the rain and rowed to Dongting Lake. Later, in order to pin everyone's grief over Qu Yuan, it gradually developed into a dragon boat race. Dragon Boat Festival every year, dragon boat racing is an annual feast that can't be missed. The "yo yo" sound of Qi Xin rowing inspired the players and the people watching the battle on the shore.