https://genesis-aka.net/language/japanese/2020/10/27/boston-dynamics%e3%81%ae%e5%9b%9b%e8%b6%b3%e6%ad%a9%e8%a1%8c%e3%83%ad%e3%83%9c%e3%83%83%e3%83%88spot%e7%94%a8%e3%82%a2%e3%83%bc%e3%83%a0%e3%81%a8%e3%83%ab%e3%83%b3%e3%83%90%e3%81%ae%e3%82%88%e3%81%86/