Complex sentence: The station building was destroyed during the Rotterdam Blitz on 14 May 1940, and a new building was opened in 1956, which was demolished for the construction of a railway tunnel between Rotterdam Centraal, Blaak, and Zuid in the early 1990s.
Split into simpler sentences: The station building was destroyed during the Rotterdam Blitz bombings on 14 May 1940, and a new building was opened in 1956. This building was again demolished for the construction of a railway tunnel between Rotterdam Centraal, Blaak, and Zuid stations in the early 1990s.