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What do you know about your house? Has it always looked like it does today and who have lived here before? Historian Christopher O'Regan and Erika Ă…berg, building conservation counselor, help curious owners of old houses. House with exciting history. A historian finds out what previous human lives have taken place in different people's homes. At the same time, a building antiquity will find out more about the building's historical history, partly to provide advice and tips on how to renovate it, but also to conduct some building-related renovations that may make a difference to the house's character.