Habiendo girado la manivela, me he fijado en que el pasadizo está oscuro.Having turned the crank, I have noticed that the passage is dark.Breakdown of Habiendo girado la manivela, me he fijado en que el pasadizo está oscuro.estarto be (location/state)quethat (relative pronoun, conjunction)meto me / myself (reflexive) / me (direct object)oscurodark