Today, I read a news which was about a service for map. Recently, we use google, yahoo or other maps on your computer and your mobile phone. I like there system, because I don't need to being any paper when I go some unknown places (in my country.) And, we can make virtual travel using the map. The following link is point to a service for a map which you can compare current map in Japan and old days map in Japan at same screen. The current version has limitation for supported area, however you can check for big cities as Tokyo area, Osaka area and some others. (And the service is provided in Japanese. I don't think you don't need to be able to read japanese when you check the map in many situation. ) When you want to find new your house, you can check the old days' structure of ground. There are many earth quake in japan. So, if your new place were in a sea or river, then you will have many risks for living in your new house. In such situation, we can also use th...
I don't know....... You don't know........who know.....???