Three commercial satellite images from GeoEye give a sense of just how many people descended on Washington yesterday. If you were there, or know someone who was, see if you can -- no, on second thoughts, forget it.

Above: The blotches, from the Washington Monument on the left to the Capitol on the right, are crowds of spectators

Above: There was still plenty of space around the Washington Monument. Hundreds of thousands, probably millions of people showed up yesterday -- we're still not sure exactly how many -- but the Mall is very, very big indeed

Above: Spectators at the Capitol. The president was sworn in on the steps, beneath the upper two semicircles of onlookers (All photographs: AFP/Getty)