We visited Beijing from August 23 through September 7, although 2 of those days were spent in the air instead of sightseeing.
Bill went to a conference.
I got to be the spouse. A useful, Chinese-speaking spouse, but definitely not working while there.
Our hotel was a Holiday Inn Express, and was conveniently located just a block away from a subway station and the start of the Olympic Parkway which is a lovely, pedestrian-only 3km boulevard linking the city with Olympic Venues.