Photos
Visiting Pisa, Italy (more photos: 1, 2, 3)
Mediterranean Coast near Marseille, France (more photos: 1, 2, 3)
Downtown Potsdam, Germany
Geometry conference, Minneapolis
Lake Zurich, Switzerland
(more photos: 1, 2, 3)
Mount Rigi, Switzerland
(more photos: 1, 2, 3)
Charlie Fefferman's birthday conference, Princeton
Rio de Janeiro, Brazil (more photos: 1, 2, 3)