the cueva de las lechuzas, a natural and extraordinary phenomenon within the mountains of tingo mari­a

cueva las lechuzas natural extraordinary phenomenon mountains tingo marã­ peru view inside cave darkness infrastructure tunnel screenshot light night formation alley caving wall reflection person lighting subway sunlight temple arch terrain mari­ located 673 meters sea level district mariano damaso beraun province leoncio prado huánuco inhabited guácharos bats entrance high wide sleeping beauty mountain range marí national park city maria rdinary marã­