He determined to enter the Royal College of Art, St. Petersburg at 18, which was a new turning point for him.

18岁，对于步入立志考入圣彼得堡皇家美术学院的他来讲，更是一个新的转折点。

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After the revolution, Alisa returned to Saint Petersburg, now called Petrograd, to attend college.

VOA: special.2010.06.06

Orlando Figes, professor of history at London's Birkbeck College, says Mr Putin's home city of St Petersburg may be a window on Europe, but it can also been seen as a fortress against foreign opponents.

BBC: How Putin is inspired by history