A vodka glass with a picture of Russian President Vladimir Putin is seen in this photo illustration taken in a hotel room in Kazan, Russia, July 31, 2015. He may be in charge of an economy in crisis, but if mobile phone covers and souvenir mugs are a barometer of popularity, Russian President Vladimir Putin need not fear for his political future. In fact, Moscow's annexation of Crimea from Ukraine last year has given the memorabilia makers even more material to glorify, sometimes wryly, a president whose image as a champion of Russian national interests in a hostile world is barely challenged in his own country. (Photo by Stefan Wermuth/Reuters)

A t-shirt with a picture of Russian President Vladimir Putin and which reads “The most polite President” is seen in this photo illustration taken in a hotel room in Kazan, Russia, August 2, 2015. (Photo by Stefan Wermuth/Reuters)

A mobile phone cover with a picture of Russian President Vladimir Putin and which reads “Everything is fine” is seen in this photo illustration taken in a hotel room in Kazan, Russia, August 5, 2015. (Photo by Stefan Wermuth/Reuters)

A mobile phone cover depicting Russian President Vladimir Putin and which reads “I read your mind” is seen in this photo illustration taken in a hotel room in Kazan, Russia, August 6, 2015. (Photo by Stefan Wermuth/Reuters)

A t-shirt depicting Russian President Vladimir Putin is seen in this photo illustration taken in a hotel room in Kazan, Russia, August 5, 2015. (Photo by Stefan Wermuth/Reuters)

A mug with a picture of Russian President Vladimir Putin is seen in this photo illustration taken in a hotel room in Kazan, Russia, July 31, 2015. (Photo by Stefan Wermuth/Reuters)

Traditional Russian Matryoshka wooden dolls depicting Russian President Vladimir Putin are seen in in this photo illustration taken in a hotel room in Kazan, Russia, July 30, 2015. (Photo by Stefan Wermuth/Reuters)

A mobile phone cover depicting Russian President Vladimir Putin and which reads “The most polite person” is seen in this photo illustration taken in a hotel room in Kazan, Russia, August 5, 2015. (Photo by Stefan Wermuth/Reuters)

A mobile phone cover with a picture of Russian President Vladimir Putin which reads “Russian Mafia” is seen in this photo illustration taken in a hotel room in Kazan, Russia, August 5, 2015. (Photo by Stefan Wermuth/Reuters)

Mugs with a picture of Russian President Vladimir Putin are seen in this photo illustration taken in a hotel room in Kazan, Russia, July 31, 2015. (Photo by Stefan Wermuth/Reuters)

A mug decorated with pictures of Russian President Vladimir Putin, which reads “People should understand that a healthy way of life is a personal success of each and every of us”, is seen in this photo illustration taken in a hotel room in Kazan, Russia, July 30, 2015. (Photo by Stefan Wermuth/Reuters)

A plate with a picture of Russian President Vladimir Putin and the phrase “Crimea is ours” is seen in in this photo illustration taken in a hotel room in Kazan, Russia, July 24, 2015. (Photo by Stefan Wermuth/Reuters)

A t-shirt with a picture of Russian President Vladimir Putin and the text “They can't catch us” is seen in this photo illustration taken in a hotel room in Kazan, Russia, July 30, 2015. (Photo by Stefan Wermuth/Reuters)

Magnets with pictures of Russian President Vladimir Putin on them are seen on a fridge in this photo illustration taken in a hotel room in Kazan, Russia, July 24, 2015. (Photo by Stefan Wermuth/Reuters)

A t-shirt with a picture of Russian President Vladimir Putin is seen in this photo illustration taken in a hotel room in Kazan, Russia, July 30, 2015. (Photo by Stefan Wermuth/Reuters)

A mobile phone cover with a picture of Russian President Vladimir Putin and which reads “Mr President” is seen in this photo illustration taken a in hotel room in Kazan, Russia, July 30, 2015. (Photo by Stefan Wermuth/Reuters)

A wall clock with a picture of Russian President Vladimir Putin is seen in this photo illustration taken in a hotel room in Kazan, Russia, July 31, 2015. (Photo by Stefan Wermuth/Reuters)