Possible Clues:

• Vanish into . . . . . . ., say high on Everest
• Some things disappear into it
• Nothingness into/from which things might magically (dis)appear
• Vanish into . . . . . . . - disappear completely
• Vanish completely as into . . . . . . ., on high mountain?
• Lack of atmosphere (from which the unexpected appears?)
• Disappear into this and vanish completely
• Disappear into - -
• Things seem to vanish into this impression of slimness
• Time locks securing home into which one might vanish