Complex sentence: Many of the staff rotating through No.7 PRC were billeted in the hotels in the centre of Harrogate which were requisitioned by the Air Ministry in anticipation of London being bombed in the early days of the Second World War.
Split into simpler sentences: Many of the staff rotating through No.7 PRC were billeted in the hotels in the centre of Harrogate. The hotels were requisitioned by the Air Ministry in anticipation of London being bombed in the early days of the Second World War.