\usepackage {graphicx}
\HR\framebox{\resizebox{\width}
                       {.7\height}{%
   \parbox{14mm}{London, \\
                Berlin \&\\Paris}}}\HR
\framebox{\resizebox{\width}
                    {.7\totalheight}{%
  \parbox{14mm}{London, \\
                Berlin \&\\Paris}}}\HR