<https://aiki-kenkyukai.com/blog/faq-what-si-aikido.html#webpage>
<http://schema.org/description>
"What is Aikido used for? Aikido, Japanese aikidō (“way of harmonizing energy”), martial art and self-defense system that resembles the fighting methods"
<https://aiki-kenkyukai.com/blog/faq-what-si-aikido.html>