People take part in the Lord Mayor's Show in London, Britain on Nov. 9, 2019. As the elected head of the City of London Corporation, William Russell will serve as a global ambassador for the UK-based financial and professional services industry for a one-year term. (Photo by Ray Tang/Xinhua)

People take part in the Lord Mayor's Show in London, Britain on Nov. 9, 2019. As the elected head of the City of London Corporation, William Russell will serve as a global ambassador for the UK-based financial and professional services industry for a one-year term. (Photo by Ray Tang/Xinhua)

People take part in the Lord Mayor's Show in London, Britain on Nov. 9, 2019. As the elected head of the City of London Corporation, William Russell will serve as a global ambassador for the UK-based financial and professional services industry for a one-year term. (Photo by Ray Tang/Xinhua)

People take part in the Lord Mayor's Show in London, Britain on Nov. 9, 2019. As the elected head of the City of London Corporation, William Russell will serve as a global ambassador for the UK-based financial and professional services industry for a one-year term. (Photo by Ray Tang/Xinhua)

William Russell, the 692nd Lord Mayor of the City of London, waves to the crowd from the Gold State Coach during the Lord Mayor's Show in London, Britain, on Nov. 9, 2019. As the elected head of the City of London Corporation, William Russell will serve as a global ambassador for the UK-based financial and professional services industry for a one-year term. (Photo by Ray Tang/Xinhua)