중국의 인류공헌 대단하다
<iframe width="1163" height="2067" src="https://www.youtube.com/embed/Zj8mgHwc_7E" title="木を簡単に切る方法" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>