While he was filming Man of Tai Chi in Beijing, Keanu Reeves stayed at the Oakwood Residence Beijing, a serviced apartment type of hotel. The hotel has fully-equipped luxury apartments ranging in size from studios to four bedroom penthouse and terrace apartments.
Visit this link to learn more and see a lovely photo of Keanu with the general manager of the hotel.
Many thanks to FlyTraveler for posting the link on twitter.