'A 6-mile-wide caldera, or volcanic crater, is a highlight of La Palma in this Spanish Island group off Africa'
the Canaries
GEOLOGY: A 6-mile-wide caldera, or volcanic crater, is a highlight of La Palma in this Spanish Island group off Africa
A 6-mile-wide caldera, or volcanic crater, is a highlight of La Palma in this Spanish Island group off Africa
A 6-mile-wide caldera, or volcanic crater, is a highlight of La Palma in this Spanish Island group off Africa
GEOLOGY
the Canaries
GEOLOGY