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|current||11:58, 17 August 2007||1,280 × 960 (391 KB)||Marco Dorigo||A swarm or robots collaborate to pass an obstacle. Photo by [http://iridia.ulb.ac.be/~mdorigo/ Marco Dorigo]. Can be copied, distributed and/or modified under the terms of the [http://en.wikipedia.org/wiki/GNU_Free_Documentation_License#Secondary_sections|