Pitt Building (M staircase) between Ivy Court and Waterhouse's Lodge, and extended New Court with the construction of O staircase on the other side of the Lodge. He linked his two buildings with an arched stone screen, Caröe Bridge, along Pembroke Street in a late Baroque style, the principal function of which was to act as a bridge by which undergraduates might cross the Master's forecourt at first-floor level from Pitt Building to New Court without leaving the college or trespassing in what was then the Fellows' Garden. In 1926, as the Fellows had become increasingly disenchanted with Waterhouse's Hall, Maurice Webb was brought in to remove the open roof, put in a flat ceiling and add two storeys of sets above. The wall between the Hall and the Fellows' Parlour was taken down, and the latter made into a High Table dais. A new Senior Parlour was then created on the ground floor of Hitcham Building. The remodelling work was completed in 1949 when Murray Easton replaced the Gothic tracery of the windows with a simpler design in the style of the medieval Hall. In 1933 Maurice Webb built a new Master's Lodge in the south-east corner of the College gardens, on land acquired from Peterhouse in 1861. Following the war, further accommodation was created with the construction in 1957 of Orchard Building, so called because it stands on part of the Foundress's orchard. Finally, in a move to accommodate the majority of junior members on the College site rather than in hostels in the town, in the 1990s Eric Parry designed a new range of buildings on the site of the Master's Lodge, with a new Lodge at the west end. "Foundress Court" was opened in 1997 in celebration of the college's 650th Anniversary. In 2001 the Library was extended to the east and modified internally. In 2017, Pembroke College launched a new campaign of extension called the "Time and the place" (or the Mill Lane project), on the other side of Trumpington Street. The project is to enlarge the size of the college by a third, with new social spaces, rooms and offices. Gardens Pembroke's enclosed grounds include garden areas. Highlights include "The Orchard" (a patch of semi-wild ground in the centre of the college), an impressive row of Plane Trees and a bowling green, re-turfed in 1996, which is reputed to be among the oldest in