short trip to San Francisco

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originally uploaded by _bernd_.

Another conference, another trip to the US. This time the conference was in the Silicon Valley, organised by the research branch of a large web search company.
I had a few days off prior to the conference, which I used to visit the main sights in San Francisco, catch up with a friend, and for a short trip to the Yosemite National Park. This is a really wonderful part of the world and I hope to come back to enjoy it for a bit longer at some stage.