Chinese President Xi Jinping (front left) receives a key to the city while meeting with Prague Mayor Adriana Krnacova (front right) in Prague, the Czech Republic, March 29 (XINHUA) 

Visiting Chinese President Xi Jinping on March 29 receives a key to the Prague city while meeting with Mayor Adriana Krnacova in Prague, the Czech Republic.

In some countries, an ornamental key - the 'Key to the City' - is presented to esteemed visitors, residents, or others whom the city wishes to honor. The key symbolizes the freedom of the recipient to enter and leave the city at will, as a trusted friend of city residents.

(Xinhua News Agency March 29, 2016)