Random triples
| Subject | Object |
|---|---|
| gptkb:The_Blue_John_Cavern | echoes |
| gptkb:Caves_of_Baume-les-Messieurs | echoes |
| gptkb:Gadime_Cave | echoes present |
| gptkb:glowworm_grotto | natural acoustics enhance experience |
| gptkb:Chislehurst_Caves | acoustic properties used for music events |
| gptkb:Coves_de_Campanet | echoes present |
| gptkb:Melissani_Cave | echoes within the cave |