4 ms·
I went to Cueva de los Verdes in Lanzarote (Canaries) somewhat recently, it's 3.7 miles long (plus another mile under sea level). https://en.wikipedia.org/wiki
by spurgu 2y ago
I went to Cueva de los Verdes in Lanzarote (Canaries) somewhat recently, it's 3.7 miles long (plus another mile under sea level).
https://en.wikipedia.org/wiki/Cueva_de_los_Verdes https://en.wikipedia.org/wiki/Cueva_de_los_Verdes