Public image of Vladimir Putin to the reality of Putin's modest physical stature, his height being officially reported as 5'7", and some of the activities used to promote his virile prowess have been criticised for involving deception or being completely staged. Notable examples of Putin's macho adventures include: On 11 December 2010, at a concert organized for a children's charity in Saint Petersburg, Putin sang "Blueberry Hill" with Maceo Parker's jazz band and played a little piano of it and of the Russian patriotic song "" from his favourite spy movie "The Shield and the Sword". After that he took part in singing of a
Vladimir Putin system of international relations. Putin had good relations with former American President George W. Bush, and many European leaders. His "cooler" and "more business-like" relationship with Germany's current chancellor, Angela Merkel is often attributed to Merkel's upbringing in the former DDR, where Putin was stationed as a KGB agent. He had a very friendly and warm relationship with the former Prime Minister of Italy Silvio Berlusconi; the two leaders often described their relationship as a close friendship, continuing to organize bilateral meetings even after Berlusconi's resignation in November 2011. In late 2013, Russian-American relations deteriorated further when the United States