'Why is the road broken?' Sightless Hong Kongers live city of protest by sound

In Hong Kong, when the tempo of traffic-light signals accelerates to about 800 ticks a minute, visually impaired residents know they can safely cross the road. But over the past six months of unrest, many streets have lost their beat.

source https://www.reuters.com/article/us-hongkong-protests-blind/why-is-the-road-broken-sightless-hong-kongers-live-city-of-protest-by-sound-idUSKBN1YH031?feedType=RSS&feedName=worldNews