Spent the night in Cambridge and had a nice breakfast at the hostel in the morning. Then I walked around the town for a few hours and saw some of the famous university. Then I took a bus back to London, and free Wi-Fi again (this time it worked). Afterwards I walked around a few of the sights in the city that I missed in the previous days, including Buckingham Palace, Houses of Parliament, and Westminster Abbey.
Right now I’m waiting for the high-speed Eurostar train from London to Brussels, which goes through the Channel Tunnel. I may not be in a English speaking country for a while.