Protesters hold a large sign against China's Uighur camps, labeled as vocational training centres by the Chinese government, outside the home of Huawei Chief Financial Officer Meng Wanzhou before her extradition hearing at B.C. Supreme Court in Vancouver, British Columbia, Canada January 20, 2020. REUTERS/Lindsey Wasson

A protester holds a picture of Michael Kovrig and Michael Spavor, two Canadians detained in China, and a large sign against China's Uighur camps outside the home of Huawei Chief Financial Officer Meng Wanzhou before her extradition hearing at B.C. Supreme Court in Vancouver, British Columbia, Canada January 20, 2020. REUTERS/Lindsey Wasson

A Hong Kong protester is detained at a rally in support of the human rights of Xinjiang Uighurs in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Police detain a Hong Kong protester at a rally in support of the human rights of Xinjiang Uighurs in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

A Hong Kong protester shouts as he is detained at a rally in support of the human rights of Xinjiang Uighurs in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters hug at a rally in support of the human rights of Xinjiang Uighurs in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters face off against riot police at a rally in support of the human rights of Xinjiang Uighurs in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

A Hong Kong protester holds a sign depicting Arsenal football player Mesut Ozil at a rally in support of the human rights of Xinjiang Uighurs in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

A child picks up a Hong Kong Christmas protest sticker at a rally in support of the human rights of Xinjiang Uighurs in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

People listen to speakers at a rally in support of the human rights of Xinjiang Uighurs in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

People listen to speakers at a rally in support of the human rights of Xinjiang Uighurs in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters rally in support of the human rights of Xinjiang Uighurs in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters rally in support of the human rights of Xinjiang Uighurs in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters rally in support of the human rights of Xinjiang Uighurs in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson TPX IMAGES OF THE DAY

Hong Kong protesters rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

A man wears a Mesut Ozil Arsenal football jersey at a rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters hold East Turkestan Uyghur flags at a rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Hong Kong protesters hold East Turkestan Uyghur flags at a rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

A riot policeman detains a protester after a Chinese flag was removed from a flag pole at a rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

A riot policeman detains a protester after a Chinese flag was removed from a flag pole at a rally in support of Xinjiang Uighurs’ human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

A riot policeman hits a man holding a camera as Hong Kong protesters rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Police detain a Hong Kong protester after a Chinese flag was removed from a flag pole at a rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Police arrest a Hong Kong protester after a Chinese flag was removed from a flag pole at a rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Police arrest a Hong Kong protester after a Chinese flag was removed from a flag pole at a rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Police arrest a Hong Kong protester after a Chinese flag was removed from a flag pole at a rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Police arrest a Hong Kong protester after a Chinese flag was removed from a flag pole at a rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson TPX IMAGES OF THE DAY

Police arrest a Hong Kong protester after a Chinese flag was removed from a flag pole at a rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Police arrest a Hong Kong protester after a Chinese flag was removed from a flag pole at a rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Police arrest a Hong Kong protester after a Chinese flag was removed from a flag pole at a rally in support of Xinjiang Uighurs' human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

Police arrest a Hong Kong protester after a Chinese flag was removed from a flag pole at a rally in support of Xinjiang Uighurs’ human rights in Hong Kong, China, December 22, 2019. REUTERS/Lucy Nicholson

People watch the television broadcast of the soccer match between Arsenal and Everton inside a sports bar in Beijing, China December 21, 2019, following the furore caused by Arsenal midfielder Mesut Ozil's comments on China's treatment of its Uighur Muslims. REUTERS/Florence Lo

People watch the television broadcast of the soccer match between Arsenal and Everton inside a sports bar in Beijing, China December 21, 2019, following the furore caused by Arsenal midfielder Mesut Ozil's comments on China's treatment of its Uighur Muslims. REUTERS/Florence Lo

Demonstrators attend a protest in support of China's Uighurs and in solidarity with Arsenal midfielder Mesut Ozil after the furore caused by his criticism of China's policies toward the Muslim minority in Istanbul, Turkey, December 20, 2019. REUTERS/Umit Bektas

Protesters march in support of China's Uighurs and in solidarity with Arsenal midfielder Mesut Ozil after the furore caused by his criticism of China's policies toward the Muslim minority in Istanbul, Turkey, December 20, 2019. REUTERS/Umit Bektas

A protester is seen on a tree as people march in support of China's Uighurs and in solidarity with Arsenal midfielder Mesut Ozil after the furore caused by his criticism of China's policies toward the Muslim minority in Istanbul, Turkey, December 20, 2019. REUTERS/Umit Bektas

Protesters march in support of China's Uighurs and in solidarity with Arsenal midfielder Mesut Ozil after the furore caused by his criticism of China's policies toward the Muslim minority in Istanbul, Turkey, December 20, 2019. REUTERS/Umit Bektas

Protesters march in support of China's Uighurs and in solidarity with Arsenal midfielder Mesut Ozil after the furore caused by his criticism of China's policies toward the Muslim minority in Istanbul, Turkey, December 20, 2019. REUTERS/Umit Bektas

Protesters march in support of China's Uighurs and in solidarity with Arsenal midfielder Mesut Ozil after the furore caused by his criticism of China's policies toward the Muslim minority in Istanbul, Turkey, December 20, 2019. REUTERS/Umit Bektas

Protesters march in support of China's Uighurs and in solidarity with Arsenal midfielder Mesut Ozil after the furore caused by his criticism of China's policies toward the Muslim minority in Istanbul, Turkey, December 20, 2019. REUTERS/Umit Bektas

Protesters march in support of China's Uighurs and in solidarity with Arsenal midfielder Mesut Ozil after the furore caused by his criticism of China's policies toward the Muslim minority in Istanbul, Turkey, December 20, 2019. REUTERS/Umit Bektas

Protesters march in support of China's Uighurs and in solidarity with Arsenal midfielder Mesut Ozil after the furore caused by his criticism of China's policies toward the Muslim minority in Istanbul, Turkey, December 20, 2019. REUTERS/Umit Bektas

Protesters march in support of China's Uighurs and in solidarity with Arsenal midfielder Mesut Ozil after the furore caused by his criticism of China's policies toward the Muslim minority in Istanbul, Turkey, December 20, 2019. REUTERS/Umit Bektas

Protesters march in support of China's Uighurs and in solidarity with Arsenal midfielder Mesut Ozil after the furore caused by his criticism of China's policies toward the Muslim minority in Istanbul, Turkey, December 20, 2019. REUTERS/Umit Bektas

Ethnic Uighur women are seen during a protest against China near the Chinese Consulate in Istanbul, Turkey, December 15, 2019. REUTERS/Huseyin Aldemir