Factors
Entities
SonarGlacial periodThree-dimensional spaceMeteoriteStefan SalvatoreSkepticismCharles II of EnglandStonehengeSpider-ManCold WarBaltic SeaUnderwater divingRunwaySatelliteVolcanoRock musicUnidentified flying objectSwedenEarthUnited KingdomSide-scan sonarMagnus LindbergSatellite phoneOutcropAcoustics200 metresSea

