Johnson's plan to close sections of some roads to general traffic so VIPs and competitors are not delayed -- mockingly called "Zil lanes" after their use in Soviet Russia -- is proving controversial.
Putin is trading in his Mercedes Benz for a Russian-made Zil limousine, which was once a symbol of Soviet era power and used by Soviet leaders Nikita Krushchev, Leonid Breznev and Mikhail Gorbachev.