C279 Second Bridge Invited

"Father, how can a paper kite fly so high?" Ding Hai had seen people play kite before, but those kites were made of bamboo. Although they could fly in the sky, they were far from the paper kite made by Yang Feng.

Yang Feng had nothing to do for the past few days, so he brought his three-year-old son, Ding Ha, to take advantage of the spring breeze to fly a kite