As they turned the corner, they came upon a group of black people who seemed to be having a party.

He followed it and came upon a group of people singing in Spanish, a language he is now trying to learn.

He knew how to attack if he came upon a group unexpectedly.

Almost two miles from the turn in the tunnel, they came upon a group of Germans standing at one side.

He comes upon a group of men and asks them to carry the snakes across a river for him.

And suddenly in a trampled space I came upon a ghastly group.

The town itself was set upon a small group of hills that faced the channel.

They make a wrong turn and stumble upon a group of women taking showers.

He stumbled upon a group of schoolgirls on a field trip.

Human technology is reliant upon a group known as the Engineers.