adventures_with_martin:
Exiting
adventures_with_martin:
Exiting
adventures_with_martin:
Keeping shoulders higher than head
adventures_with_martin:
Flow Marks
adventures_with_martin:
Flow Marks
adventures_with_martin:
Flow Marks
adventures_with_martin:
Christian
adventures_with_martin:
Floor of most of the Tube
adventures_with_martin:
Ralph and Christian
adventures_with_martin:
two side tubes
adventures_with_martin:
Side tube
adventures_with_martin:
Gutter and Flow Marks
adventures_with_martin:
Lava Drips from Ceiling
adventures_with_martin:
Ralph and Christian
adventures_with_martin:
Two Pillars with a Window between
adventures_with_martin:
Two Pillars with a Window between
adventures_with_martin:
Flow Marks
adventures_with_martin:
Flow Marks
adventures_with_martin:
Flow Marks
adventures_with_martin:
Lava Drips from ceiling
adventures_with_martin:
Cauliflower Lava
adventures_with_martin:
Small Cave
adventures_with_martin:
Small Cave
adventures_with_martin:
Small Cave
adventures_with_martin:
Small Cave
adventures_with_martin:
Shelf with break
adventures_with_martin:
Dung Fungus
adventures_with_martin:
Dung Fungus
adventures_with_martin:
Dung Fungus