The artificial satellite is orbiting around the earth.

He became obsessed with publicly-owned gambling enterprises and used up all his savings.

She saw a distant mountain.

The population density of this area is very high.

Tokyo is the city with the highest population density in Japan.

This room feels bright because it has enough luminous flux.

Mitsuko is my best friend.

Migihiro is my best friend.

In urban areas, light pollution makes it difficult to see the starry sky.

In urban areas, light pollution obscures the starry sky.