Woke up, had breakfast and departed in a leisurely manner to get Ryan back in shape.
Caught the bus back to the train station, placed our luggage in a coin locker and went exploring on one of the old ferrys that had previously provided transportation between Hokkaido and Honshu Islands. After one of the ferrys capsized during a typhoon in 1956, the government reacted by constructing the longest (53.9 km) and deepest (250 meters below sea level) rail tunnel in the world between the two islands.
We took a tour of one of the two emergency stations in the tunnel. In the event of an emergency, they are able to evacuate up staircases or a funicular to landfall from the undersea stations. The station had markers indicating 145 meters (about 500 feet) below sea level.
We continued on to the city of Sendai hoping a warmer climate might help Ryan recover.