Air China has no commercial flights to Tonga so it has to take a circuitous route covering a total of 21,100 kilometres over nine countries, according to airline spokesman Wang Yongsheng.

• 中国航空发言人王永申称，该公司没有开通到汤加的商业航班，因此不得不采取绕行航线的方式，途经9个国家，路程总计21100公里。