A staff member paints an artware at the booth of Costa Rica during the ITB Berlin travel trade show in Berlin, capital of Germany, on March 6, 2019. The ITB Berlin travel trade show kicked off here on Wednesday, drawing around 10,000 exhibitors worldwide. Starting Wednesday, the first three days of the fair are reserved for trade visitors while private individuals can visit the ITB on Saturday and Sunday. (Xinhua/Shan Yuqi)