Going on an urban adventure at dawn was definitely something different for me and my family. After we observed sumo training at a local stable, we arrived early to our next stop, the Edo-Tokyo Museum in the Sumida district. Unfortunately, it had not yet opened for the day and we were stuck trying to decide how to cope with the unbearable humidity as we waited. We chose to walk around the block, and amazingly found a little slice of paradise in the middle of sweltering Tokyo, a serene Japanese garden. Our Japanese friend who was taking us around for the day mentioned this garden was privately owned, but free to the public to explore. We…