Protests greeted Chinese President Xi Jinping as he arrived in Prague on Monday on the first visit by a Chinese head of state to the Czech Republic.
Pro-Tibet demonstrators put up a giant picture of Dalai Lama with the late Czech president Vaclav Havel in a park near the road leading to the airport ahead of his arrival.
Dozens of Chinese flags hung up in Prague streets to welcome Xi were also defaced at the weekend.
Xi will meet President Milos Zeman during his two-day trip, which is focused on business cooperation and investment in the Czech Republic.
Zeman has described the visit as a "new start" in Prague's relations with Beijing, saying China might invest close to two billion euros in his country.