New Delhi tops list of cities with most degraded hearing
Likewise, cities least afflicted by noise pollution-including Zurich, Vienna, Oslo and Munich-registered the lowest levels of decline in hearing.
Mar 05, 2017, 10:39 AM IST
Likewise, cities least afflicted by noise pollution-including Zurich, Vienna, Oslo and Munich-registered the lowest levels of decline in hearing.
Mar 05, 2017, 10:39 AM IST