Golden Gate Bridge’s eerie hum could be silenced by 2022

Golden Gate Bridge as seen from the Marin Headlands in Sausalito, California. Photograph: Anadolu Agency/Getty Images

Golden Gate Bridge as seen from the Marin Headlands in Sausalito, California. Photograph: Anadolu Agency/Getty Images

source https://www.theguardian.com/us-news/2021/dec/17/golden-gate-bridge-eerie-hum-silenced-2022