<iframe width="1070" height="1903" src="https://www.youtube.com/embed/nwSkxiTn9GY" title="High-speed rail | Two high-speed trains linked together" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
<iframe width="1840" height="1035" src="https://www.youtube.com/embed/FNHb1saMwiA" title="【超人期】 日本の驚くべきな新幹線カップルリングシステム!" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
<iframe width="1840" height="1035" src="https://www.youtube.com/embed/_vMWahWuamY" title="東大邱駅 KTX 山河ズングリョン連結 #複合列車" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>