The building has been extended several times during its history.
The building was extended several times during the 19th century.
The castle was extended many times during the 19th century.
Five years later, it would also be extended during rush hours.
The Texas was also extended a bit during the 1909-10 reconstruction.
It had been extended and altered many times during its long history.
The airport was extended with additional land during the 1930s.
The hall was extended during the 18th and 19th centuries.
Built in 1843, it was extended by two further wings during 1881-1887.
The brand is extended into a product family during the 1950s and 1960s.
