Ouro Preto, Brazil

Postcard sent by Christelle

 Stanley, Falkland Islands

Postcard sent by Falklands Post Service Limited

 China

Founding of The People's Republic of China

Postcard sent by Tree

 Vienna, Austria

Postcard sent by Justyna

 San Sebastian, Spain

Donostia - name of San Sebastian city in Basque language

Postcard sent by Aitor

 China

Postcard sent by Zhenli