crater

I observe the crater.

私は火口を観察します

I observe the crater from the safe viewpoint.

私は安全な展望台で、火口を観察します

I observe the crater from the safe viewpoint with the guide.

私は安全な展望台で案内員と、火口を観察します

I observe the crater from the safe viewpoint with the guide in the morning.

私は安全な展望台で案内員と午前中、火口を観察します

I observe the crater from the safe viewpoint with the guide through a telescope in the morning.

私は安全な展望台で案内員と午前中、望遠鏡で火口を観察します