Pigsaw:
Contemporary building
Pigsaw:
TH2059 at the Tate Modern
Pigsaw:
Beer. Yes, one of them's green
Pigsaw:
Sculpture in Southwark
Pigsaw:
London buildings
Pigsaw:
Financial cathedrals
Pigsaw:
St Andrew Undershaft (foreground) and 30 St Mary Ax
Pigsaw:
Round and square