Fibonacci is a campus space now home to Facebook Ireland. It is a space to be used a socialising, a place for ideas and interaction with fellow minded employees. The development includes the demolition of 4 no. office blocks and the development of 2 no. 6 storey office buildings (with setback on 4th and 5th Floor) over three levels of basement. The entire courtyard has been sunken down by 4m to create a green utopia, which has extensive seating area within a cascade of water features and secondary hidden garden space