3 adjectives to describe sheepfold

Finally, upon the opening of the Isthmus of Suez, the city unfolded in a prodigious way, becoming a world port, putting itself in touch with the entire earth, multiplying its harbors, which became gigantic marine sheepfolds where vessels of every flag were gathered together in herds.

In the deep solitary woods, the sight of a woodman's hut in a clearing, of a farmer's cottage, or of a mere sheepfold, immediately awakens a tender interest, and enlivens the scene with a tinge of romance.

The round sheepfold in the first field looked no larger than a finger ring.

3 adjectives to describe  sheepfold