US ambassador to Germany William Timken shows German Chancellor Angela Merkel the terrace on the roof of the new US embassy building on the sidelines of its opening ceremony in Berlin on July 4, 2008. Former US president George H.W. Bush, who was in the White House when the Berlin Wall fell in 1989, cut a ribbon at the embassy that was rebuilt in the former noman's land that divided Berlin during the communist era. At (L, background) is seen the Reichstag and at (C) the Brandenburg Gate. AFP PHOTO POOL/ Bundesregierung/ GUIDO BERGMANN