@CNN: This crosswalk changes size, color and shape according to the needs of its urban environment https://t.co/yaMpWPQ3XT https://t.co/qlSITl9J8x

December 2, 2017 / The Arbiter / CNN

@CNN: This crosswalk changes size, color and shape according to the needs of its urban environment https://t.co/yaMpWPQ3XT https://t.co/qlSITl9J8x

This crosswalk changes size, color and shape according to the needs of its urban environment https://t.co/yaMpWPQ3XT http://pic.twitter.com/qlSITl9J8x

— CNN (@CNN) December 3, 2017

x