Trip by water.
Dream dictionary: subterranean dream meanings
(See Underground granary)
…(Granary | Pantry | Storrage room | Subterranean storehouse) An underground grain storage house in a dream represents a caring mother, a single parent or a foster mother. This interpretation comes from the example of a fetus in his mother’s womb and its dependence on her to supply the necessary nourishment. Once the stored food is consumed, then it is necessary to depend on a new source. If one sees an underground granary demolished or filled with dirt in the dream, and if his mother is sick, it means that she may die from her illness. If one’s wife is pregnant, it means that she will soon deliver her infant. A demolished underground granary in a dream means finding a buyer for one’s grains, and the dirt that fills the storehouse in the dream represents money. If the stored grain turns into dirt in a dream, it means that…