An unmanned aerial vehicle (UAV) is pictured while preparing to land during a Defence Ministry-organised media visit to the National Chung-Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

People stand in front of a Jian-Xiang Loitering Munition System during a Defence Ministry-organised media visit to the National Chung-Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

A Teng Yun military unmanned aerial vehicle (UAV) is pictured during a Defence Ministry-organised media visit to the National Chung-Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

A staff member presents a scale model of an unmanned aerial vehicle (UAV) at a wind tunnel during a Defence Ministry-organised media visit to the National Chung-Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

A Teng Yun military unmanned aerial vehicle (UAV) is pictured during a Defence Ministry-organised media visit to the National Chung-Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

A scale model of an unmanned aerial vehicle (UAV) is pictured at a wind tunnel during a Defence Ministry-organised media visit to the National Chung-Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

An Albatross military unmanned aerial vehicle (UAV) is pictured during a Defence Ministry-organised media visit to the National Chung-Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

A military unmanned aerial vehicle (UAV) part of the Jian-Xiang Loitering Munition System is pictured during a Defence Ministry-organised media visit to the National Chung-Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

Members of the media stand next to an Advanced Jet Trainer (AJT) at a testing facility, during a Defence Ministry-organised media visit to the National Chung-Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

Military unmanned aerial vehicles (UAV) part of the Jian-Xiang Loitering Munition System are pictured during a Defence Ministry-organised media visit to the National Chung-Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

An unmanned aerial vehicle (UAV) flies during a Defence Ministry-organised media visit to the National Chung-Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

An unmanned aerial vehicle (UAV) flies during a Defence Ministry-organised media visit to the National Chung-Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

A staff member stands near a Jian-Xiang Loitering Munition System during a Defence Ministry-organised media visit to the National Chung-Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

Members of the media photograph an Albatross military unmanned aerial vehicles (UAV) during a Defence Ministry-organised visit to the National Chung-Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

A Teng Yun military unmanned aerial vehicles (UAV) is pictured during a Defence Ministry-organised media visit to the National Chung-Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

Members of the media stand in front of a Jian-Xiang Loitering Munition System during a Defence Ministry-organised media visit to the National Chung-Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

A Teng Yun military unmanned aerial vehicles (UAV) is pictured during a Defence Ministry-organised media visit to the National-Chung Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

A staff member presents a scale model of an unmanned aerial vehicle (UAV) at a wind tunnel during a Defence Ministry-organised media visit to the National Chung-Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

An Advanced Jet Trainer (AJT) is pictured at a testing facility during a Defence Ministry-organised media visit to the National Chung-Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

A staff member walks next to a scale model of an IDF (Ching-Kuo Fighter) jet during a Defence Ministry-organised media visit to the National Chung-Shan Institute of Science and Technology in Taichung, Taiwan November 15, 2022. REUTERS/Carlos Garcia Rawlins 

People take part in a rally demanding China's leader assistance to organise extraction process for Ukrainian service members from Azovstal Iron and Steel Works in Mariupol, outside the Chinese embassy in Kyiv, Ukraine May 17, 2022. REUTERS/Valentyn Ogirenko 

People take part in a rally demanding China's leader assistance to organise extraction process for Ukrainian service members from Azovstal Iron and Steel Works in Mariupol, outside the Chinese embassy in Kyiv, Ukraine May 17, 2022. REUTERS/Valentyn Ogirenko 

People take part in a rally demanding China's leader assistance to organise extraction process for Ukrainian service members from Azovstal Iron and Steel Works in Mariupol, outside the Chinese embassy in Kyiv, Ukraine May 17, 2022. REUTERS/Valentyn Ogirenko 

Olha, a wife of Azov regiment service member who is inside of the besieged Azovstal Iron and Steel Works in Mariupol, takes part in a rally demanding China's leader assistance to organise extraction process for Ukrainian military units, outside the Chinese embassy in Kyiv, Ukraine May 17, 2022. REUTERS/Valentyn Ogirenko 

Olha, a wife of Azov regiment service member who is inside of the besieged Azovstal Iron and Steel Works in Mariupol, takes part in a rally demanding China's leader assistance to organise extraction process for Ukrainian military units, outside the Chinese embassy in Kyiv, Ukraine May 17, 2022. REUTERS/Valentyn Ogirenko 

People take part in a rally demanding China's leader assistance to organise extraction process for Ukrainian service members from Azovstal Iron and Steel Works in Mariupol, outside the Chinese embassy in Kyiv, Ukraine May 17, 2022. REUTERS/Valentyn Ogirenko 

People take part in a rally demanding China's leader assistance to organise extraction process for Ukrainian service members from Azovstal Iron and Steel Works in Mariupol, outside the Chinese embassy in Kyiv, Ukraine May 17, 2022. REUTERS/Valentyn Ogirenko 

People take part in a rally demanding China's leader assistance to organise extraction process for Ukrainian service members from Azovstal Iron and Steel Works in Mariupol, outside the Chinese embassy in Kyiv, Ukraine May 17, 2022. REUTERS/Valentyn Ogirenko 

People take part in a rally demanding China's leader assistance to organise extraction process for Ukrainian service members from Azovstal Iron and Steel Works in Mariupol, outside the Chinese embassy in Kyiv, Ukraine May 17, 2022. REUTERS/Valentyn Ogirenko 

Olha, a wife of Azov regiment service member who is inside of the besieged Azovstal Iron and Steel Works in Mariupol, reacts as she takes part in a rally demanding China's leader assistance to organise extraction process for Ukrainian military units, outside the Chinese embassy in Kyiv, Ukraine May 17, 2022. REUTERS/Valentyn Ogirenko TPX IMAGES OF THE DAY 

Staff members organise guns during a news conference unveiling the largest smuggling bullet case in the history of Taiwan in Taipei, Taiwan, November 9, 2020. REUTERS/Ann Wang 

Climate activists gather at the building of Taiwan's Environmental Protection Administration during a parade to call for climate change awareness, organised by the Taiwan Youth Climate Coalition (TWYCC), in Taipei, Taiwan September 27, 2020. REUTERS/Annabelle Chih 

Climate activists attend a parade to call for climate change awareness, organised by the Taiwan Youth Climate Coalition (TWYCC), in Taipei, Taiwan September 27, 2020. REUTERS/Annabelle Chih 

Climate activists march on a street as they attend a parade organised by the Taiwan Youth Climate Coalition (TWYCC) to call for climate change awareness, in Taipei, Taiwan September 27, 2020. REUTERS/Annabelle Chih 

Climate activists march on a street as they attend a parade to call on awareness for climate change, organised by the Taiwan Youth Climate Coalition (TWYCC), in Taipei, Taiwan September 27, 2020. REUTERS/Annabelle Chih 

Climate activists attend a parade to call on awareness for climate change, organised by the Taiwan Youth Climate Coalition (TWYCC), in Taipei, Taiwan September 27, 2020. REUTERS/Annabelle Chih 

A damaged poster of Chinese President Xi Jinping lies on the ground during a protest against China organised by the members of National Students' Union of India (NSUI), in Ahmedabad, India, June 18, 2020. REUTERS/Amit Dave 

Masked participants sit on steps during a self-defence class organised by a student union at the Chinese University of Hong Kong, in Hong Kong, China October 15, 2019. Picture taken October 15, 2019. REUTERS/Tyrone Siu 

Masked participants practise sparring during a self-defence class organised by a student union at the Chinese University of Hong Kong, in Hong Kong, China October 15, 2019. Picture taken October 15, 2019. REUTERS/Tyrone Siu 

Masked participants spar with foam sticks during a self-defence class organised by a student union at the Chinese University of Hong Kong, in Hong Kong, China October 15, 2019. Picture taken October 15, 2019. REUTERS/Tyrone Siu 

A pair of gloves are seen on the ground during a self-defence class organised by a student union at the Chinese University of Hong Kong, in Hong Kong, China October 15, 2019. Picture taken October 15, 2019. REUTERS/Tyrone Siu 

Masked participants hold foam sticks during a self-defence class organised by a student union at the Chinese University of Hong Kong, in Hong Kong, China October 15, 2019. Picture taken October 15, 2019. REUTERS/Tyrone Siu 

Masked participants shield themselves during a self-defence class organised by a student union at the Chinese University of Hong Kong, in Hong Kong, China October 15, 2019. Picture taken October 15, 2019. REUTERS/Tyrone Siu 

Masked participants shield themselves during a self-defence class organised by a student union at the Chinese University of Hong Kong, in Hong Kong, China October 15, 2019. Picture taken October 15, 2019. REUTERS/Tyrone Siu 

Masked participants spar with foam sticks during a self-defence class organised by a student union at the Chinese University of Hong Kong, in Hong Kong, China October 15, 2019. Picture taken October 15, 2019. REUTERS/Tyrone Siu 

Chu Yiu-ming, one of the key organisers of Operation Yellowbird, smuggling Chinese dissidents out of China after the 1989 Tiananmen Square protests, poses after an interview, at a church, in Hong Kong, China May 14, 2019. Picture taken May 14, 2019. REUTERS/James Pomfret 

Chu Yiu-ming, one of the key organisers of Operation Yellowbird, smuggling Chinese dissidents out of China after the 1989 Tiananmen Square protests, poses after an interview, at a church, in Hong Kong, China May 14, 2019. Picture taken May 14, 2019. REUTERS/James Pomfret 

Chu Yiu-ming, one of the key organisers of Operation Yellowbird, smuggling Chinese dissidents out of China after the 1989 Tiananmen Square protests, poses after an interview, at a church, in Hong Kong, China May 14, 2019. Picture taken May 14, 2019. REUTERS/James Pomfret 

Chu Yiu-ming, one of the key organisers of Operation Yellowbird, smuggling Chinese dissidents out of China after the 1989 Tiananmen Square protests, poses after an interview, at a church, in Hong Kong, China May 14, 2019. Picture taken May 14, 2019. REUTERS/James Pomfret 

Chu Yiu-ming, one of the key organisers of Operation Yellowbird, smuggling Chinese dissidents out of China after the 1989 Tiananmen Square protests, poses after an interview, at a church, in Hong Kong, China May 14, 2019. Picture taken May 14, 2019. REUTERS/James Pomfret 

Demonstrators burn Chinese goods and poster of Chinese President Xi Jinping during a protest organised by the activists of Swadeshi Jagran Manch, a wing of the Hindu nationalist organisation Rashtriya Swayamsevak Sangh (RSS), as they demand the boycott of Chinese products, in New Delhi, India, October 26, 2016. REUTERS/Adnan Abidi 

Demonstrators burn Chinese goods and posters of Chinese President Xi Jinping during a protest organised by the activists of Swadeshi Jagran Manch, a wing of the Hindu nationalist organisation Rashtriya Swayamsevak Sangh (RSS), as they demand the boycott of Chinese products, in New Delhi, India, October 26, 2016. REUTERS/Adnan Abidi 

Demonstrators shout slogans during a protest organised by the activists of Swadeshi Jagran Manch, a wing of the Hindu nationalist organisation Rashtriya Swayamsevak Sangh (RSS), as they demand the boycott of Chinese products, in New Delhi, India, October 26, 2016. REUTERS/Adnan Abidi 

A demonstrator shouts slogans as he holds Chinese goods during a rally organised by activists of Bajrang Dal, a Hindu hardline group, as they demand the boycott of Chinese products, in Kolkata, India, October 25, 2016. REUTERS/Rupak De Chowdhuri 

Demonstrators burn Chinese goods during a rally organised by the activists of Bajrang Dal, a Hindu hardline group, as they demand the boycott of Chinese products, in Kolkata, India, October 25, 2016. REUTERS/Rupak De Chowdhuri 

A member of the honour guards waits in a bus for the arrival of U.S. President Barack Obama (not pictured) at Hangzhou Xiaoshan international airport before the G20 Summit in Hangzhou, Zhejiang province, China September 3, 2016. REUTERS/Damir Sagolj TPX IMAGES OF THE DAY

Security personnel keep watch, as they close the West Lake before the G20 Summit in Hangzhou, Zhejiang province, China September 3, 2016. REUTERS/Aly Song TPX IMAGES OF THE DAY 

Honour guards are seen as they prepare for foreign leaders' arrivals at the Hangzhou Xiaoshan international airport before the G20 Summit in Hangzhou, Zhejiang province, China September 2, 2016. REUTERS/Aly Song TPX IMAGES OF THE DAY

Pro-democracy demonstrators blow a candle of a birthday cake to celebrating 60th birthday of jailed Nobel Peace Prize laureate Liu Xiaobo in Hong Kong, China December 28, 2015. Hong Kong protesters demanded the release of Liu, who was sentenced to imprisonment six years ago on Christmas day. A veteran dissident involved in the 1989 Tiananmen Square pro-democracy protests crushed by the Chinese army, Liu was jailed for 11 years in 2009 on subversion charges for organising the "Charter 08" petition that urges the overthrow of the one-party rule. REUTERS/Tyrone Siu 

Pro-democracy demonstrators imitate a three-finger salute from the movie "The Hunger Games" as they hold signs during a protest to celebrating 60th birthday of jailed Nobel Peace Prize laureate Liu Xiaobo in Hong Kong, China December 28, 2015. Hong Kong protesters demanded the release of Liu, who was sentenced to imprisonment six years ago on Christmas day. A veteran dissident involved in the 1989 Tiananmen Square pro-democracy protests crushed by the Chinese army, Liu was jailed for 11 years in 2009 on subversion charges for organising the "Charter 08" petition that urges the overthrow of the one-party rule. REUTERS/Tyrone Siu