Tokyo has 37 million people. The trick is to zoom in and look for the smallest things.

The whole Shogun thing is a pretty compelling tale. It's got drama, legend, romance, myth, swords, costumes, everything that appeals to my long-lost childhood.

I thought the simple pleasure of flying a kite was a product of my childhood (when my frazzled mom suggested that I do just that). But no, this is an ancient invention dating back 2,000-3,000 years in China…