This is one selection from my photos from a trip to Europe in June 1999. Click on any thumbnail image for a larger JPEG version.
Photos copyright by John Sullivan.
During the ISAMA'99 conference on Math, Art and Architecture, held June 7-11 in San Sebastián, Spain, the sculptor Keizo Ushio created a new sculpture, "Oushi Zoukei 1999". Starting from a solid torus of granite, he drilled through (along a (1,1)-curve) to divide into two linked pieces of stone, which he then repositioned to touch along what used to be their outer surfaces.