Abstract
1) Indivisual's knowledge about surroundings tends to increase rapidly on an early stage and to be stabilized in about one month after their arriving. 2) There exists correlation between his cognitive territory and the total route distance he experienced. 3) Places in his dwelling area and his destination are known very early. 4) Edge and landmark (ex. ponds) are known more easily than pass. 5) Therefore, we can hypothesize that an indivisual knows places which have visual distinctivness (ex, edge and landmark) and then organizes the network of streets based on their locations and orientations in relation to the places. 6) There are two types of places evaluated positively. One is pointed out by many people since the place is widely known. The other type is pointed out stationaly by someone who feels to enjoy an exclusive use of the place. 7) People tend to evaluate the place positively by it's visual character and negatively by it's functional character.
