The rectus capitis posterior minor muscle is a part of the neck muscles, and it helps tilt the head backwards.

I went to the shrine of Ugayafukiaezu-no-mikoto.

The 120-cell is one of the regular polytopes in four dimensions.

The 正百二十胞體 is one of the regular polytopes in four dimensions.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

Amaterasu Omikami is one of the gods our ancestors believed in.