| http://www.w3.org/ns/prov#value | - When the user moves along the path in the virtual reality environment and then reaches a fork, the control unit can project an image including at least a part of the human body of the user who can show the direction in which the user is headed with a gesture on the screen, as described below in a seventh embodiment of the present invention, so as to cause the user to select a path through which th
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