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Tokyo Olympic Games,a variety of entrance of the stadium far away from each other often cause trouble to foreigners who visit the city for the first time.them due to the language barrier.we designed this guiding balloon, having an appearance of the ordinary destination board and distributed at more than ten entrance of the stadium. When there is an international event, guiding balloons marked with corresponding gate location identification will be rising very high under the remote-controlled operation of the staff, so that visitors just out of a bus can see them immediately as long as looking up.the entrance on their tickets can be found rapi
Beijing University of Technology