Escalator whose steps get bigger

Name :
ISHINO Masanobu
COUNTRY :
Japan / Aichi
AGE :
11
YEAR :
2019
PRIZE :
The Prize of the Minister of Education, Culture, Sports, Science and Technology
COMMENTARY :
This escalator is easy for people in wheelchairs or with handicaps to ride. The number of steps automatically changes with AI.
Escalator whose steps get bigger