The logo of the Bank of China is pictured at the entrance of the building where its office is located in Vienna, Austria, in this March 8, 2016 file picture. REUTERS/Heinz-Peter Bader/File Photo
The logo of the Bank of China is pictured at the entrance of the building where its office is located in Vienna, Austria, in this March 8, 2016 file picture. REUTERS/Heinz-Peter Bader/File Photo