Complex sentence: The architects Enric Tous and Josep Maria Fargas were selected to refurbish the station, respecting much of the original structure of the old station, whilst marquees outside the station provided ancillary facilities such as rest areas and offices.
Split into simpler sentences: The architects Enric Tous and Josep Maria Fargas were selected to refurbish the station, respecting much of the original structure. The structure of the old station, whilst marquees outside the station provided ancillary facilities such as rest areas and offices.