Citizens cycle on a street of Vienna, Austria, Jan. 22, 2021. Bicycle traffic in Vienna increased by 12 percent last year, according to the transport department of Vienna. (Photo by Georges Schneider/Xinhua)

Citizens cycle on a street of Vienna, Austria, Jan. 22, 2021. Bicycle traffic in Vienna increased by 12 percent last year, according to the transport department of Vienna. (Photo by Georges Schneider/Xinhua)

Citizens cycle on a street of Vienna, Austria, Jan. 22, 2021. Bicycle traffic in Vienna increased by 12 percent last year, according to the transport department of Vienna. (Photo by Georges Schneider/Xinhua)

Citizens cycle on a street of Vienna, Austria, Jan. 22, 2021. Bicycle traffic in Vienna increased by 12 percent last year, according to the transport department of Vienna. (Photo by Georges Schneider/Xinhua)