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Biskopstuna – ärkebiskopens borg
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Peter Bratt
7 okt 2022
RUIN. Vid Österskär i Åkerberga, nordöst om Stockholm, ligger den utgrävda och restaurerade ruinen efter Biskopstuna – en av ärkebiskopens borgar under medeltiden. Sedan 2018 har Arkeologerna drivit ett forskningsprojekt i form av en amatörarkeologisk kurs för att undersöka miljön kring borgen. Redan 2014 gjordes en georadarundersökning och en mindre grävning som visade att det […]
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