being buried; remaining unknown; being forgotten; being absorbed (e.g. in research); being immersed
buried gold; buried treasure
burying in the ground; having underground deposits
laying underground (e.g. cables); burying (e.g. pipe)
burial place (ground); cemetery; graveyard
buried property; buried treasure; treasure trove; deposits
underwater tunnel construction by sinking prefabricated box culverts
fallen trees (esp. cryptomeria on Yakushima)