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In page Bristol:

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The rebuilding of Bristol city centre was characterised by 1960s and 1970s skyscrapers, mid-century modern architecture and road building. Beginning in the 1980s some main roads were closed, the Georgian-era Queen Square and Portland Square were restored, the Broadmead shopping area regenerated, and one of the city centre's tallest mid-century towers was demolished.[13] Bristol's road infrastructure changed dramatically during the 1960s and 1970s with the development of the M4 and M5 motorways, which meet at the Almondsbury Interchange just north of the city and link Bristol with London (M4 eastbound), Swansea (M4 westbound across the Severn Estuary), Exeter (M5 southbound) and Birmingham (M5 northbound).[citation needed] Bristol was bombed twice by the IRA, in 1974 and again in 1978.[14]