sentences:  According to Marija Gimbutas, the Baltic culture of the Early and Middle Bronze Age covered a territory which, at its maximal extent, included "all of Pomerania almost to the mouth of the Oder, and the whole Vistula basin to Silesia in the south-west" before the spread of the Lusatian culture to the region and was inhabited by the ancestors of the later (Baltic) Old Prussians.The Balts decorated their pots by creating "deep incisions and ridges around the neck.