The 24-cell is one of the geometric shapes in four dimensions.

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

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

The 正二十四胞體 is one of the regular polytopes in four dimensions.

The United Kingdom of Great Britain and Northern Ireland is a country located in Europe.

He said, 'It's difficult to make a life,' explaining the phrase 'When a man steps over the threshold, he has seven enemies.'

He said, 'Man shall not live by bread alone,' teaching me that spiritual satisfaction is also important.

This road intersects with that road.

Please open the door.

Chrysophyta perform photosynthesis underwater, supplying oxygen.