Complex sentence: The museum building, built of locally quarried grey Kurla basalt and buff coloured trachyte Malad stone, is a three-storied rectangular structure, capped by a dome set upon a base, which adds an additional storey in the centre of the building.
Split into simpler sentences: The museum building, built of locally quarried grey Kurla basalt and buff coloured trachyte Malad stone. It is a three-storied rectangular structure, capped by a dome set upon a base, which adds an additional storey in the centre of the building.