The government is building a nationwide surveillance network.

He was deeply involved in the project.

He is deeply involved in the project.

The author's message is written on the opening page of this book.

I live in the Kanto region.

Chameleons can change their camouflage color to match their surroundings.

Protectionist policies are introduced to protect domestic industries from foreign competition.

He committed another crime while on probation.

This sanctuary plays a crucial role as a habitat for endangered species.

She was raised by overprotective parents.