<P> Visiting heads of state enter the White House grounds, and are officially welcomed here prior to a state dinner . Public tours, which begin on East Executive Drive, exit through the North Portico, and visitors exit from the northeast gate . </P> <P> White House correspondents, for television news, often stand on the North Lawn with the North Portico as a backdrop . </P> <P> A reviewing stand is erected on the North Lawn facing Pennsylvania Avenue prior to the inauguration of the president . The president uses the enclosed structure to review the parade, which proceeds from the U.S. Capitol . </P> <P> Pierre - Charles L'Enfant's 1793 plan of the city of Washington placed the President's House facing a convergence of radial avenues centered on the North Lawn . In 1850, landscape designer Andrew Jackson Davis attempted to soften the geometry of the L'Enfant plan . </P>

What is the statue in front of the white house