Stirling Prize: Architects' joy at Sainsbury Laboratory win
An £82m plant research centre at the University of Cambridge has won the UK's most prestigious architecture award, the Stirling Prize.
The Sainsbury Laboratory was named best new building by the Royal Institute of British Architects (Riba) at a ceremony in Manchester.
Judges praised the "calm beauty" of the winner, designed by Stanton Williams.
Architects Alan Stanton and Paul Williams spoke to BBC Breakfast about the laboratory project.