A cooling device utilizing the principle of radiative cooling has been developed.

Nonogram is one of the brain training games.

This stroopwafel is a souvenir from the Netherlands.

Mendelssohn's music is very beautiful.

There is a specific rule in this game.

Rino is my best friend.

On his days off, Kohaku sleeps until noon.

Workers of all countries, unite, let's show our power.

He left early to avoid the problem.

Did you hear his voice?