Complex sentence: Cully is a former municipality in the Swiss canton of Vaud, it was the capital of the district of Lavaux until 2006 when it became part of the district of Lavaux-Oron.
Split into simpler sentences: Cully is a former municipality in the Swiss canton of Vaud. It was the capital of the district of Lavaux until 2006 when it became part of the district of Lavaux-Oron.