S.L. 549.44 · Flora, Fauna And Natural Habitats (S.L. 549.44)
S.L. 549.44 ст. 83
PART XII
Other rocky habitats 8310 Caves not open to the public 8320 Fields of lava and natural excavations
8330 Submerged or partially submerged sea caves 8340 Permanent glaciers