The ceiling of the IPRD04 conference room (photo, courtesy of A. Bassi). This presumably will not change.

A typical discussion between a medical physicist (P.G.S. Cirrone), an astroparticle physicist (P.S. Marrocchesi) and an high-energy physicist (F.-L. Navarria) over a delicious lunch break provided by the staff of the Certosa di Pontignano, University of Siena (photo, courtesy of A. Bassi).

A discussion over a cofee break at IPRD04 between Marco Paganoni/Milano-Bicocca, Bernard Peyaud/Saclay and Massimo Lenti/Florence (photo, courtesy of A. Bassi).

More photographs this year, yet to be taken.