The British surrendered their concession in 1927 after being robbed and its Chinese workers mutineered their posts to the marauding crowds .
The Russians had two brick tea producing factories , but ceased operations after 1917 .
The British surrendered Russians ' concession in 1927 after being robbed and its Chinese workers mutineered their posts to the marauding crowds .
The Russians had two brick tea producing factories , but ceased operations after 1917 .