Along the pavements of Japan are yellow textured strips 

These are Tenji blocks or “braille blocks.” These embedded plates allow visually impaired people to safely navigate their environment through tactile cues rather than sight.

 https://t.co/NnzHFediJv https://video.twimg.com/ext_tw_video/1564506959545454592/pu/vid/540x960/sW4ZtC1j4QV-CA-4.mp4?tag=12