lava tube
Gwedd
natural conduits through which lava travels beneath the surface of a lava flow
isddosbarth o'r canlynol
subterranea
tirffurf folcanig
oriel Comin
Lava tubes
categori Comin
Lava tubes
prif gategori
Category:Lava tubes
Cyfeiriadau
- ↑ Freebase Data Dumps, 28 Hydref 2013