U.S. Ambassador for Religious Freedom Sam Brownback and Lee Ching-yu, wife of Taiwan human rights advocate Lee Ming-che, also known as Li Ming-Che, attend an news conference in Taipei, Taiwan March 12, 2019. REUTERS/I-Hwa Cheng

U.S. Ambassador for Religious Freedom Sam Brownback and Lee Ching-yu, wife of Taiwan human rights advocate Lee Ming-che, also known as Li Ming-Che, attend an news conference in Taipei, Taiwan March 12, 2019. REUTERS/I-Hwa Cheng

Lee Ching-yu, wife of Taiwan human rights advocate Lee Ming-che, also known as Li Ming-Che, who has been jailed for "subverting state power", returns from China after visiting her husband, at Taoyuan International Airport, Taiwan March 28, 2018. REUTERS/Tyrone Siu

Lee Ching-yu, wife of Taiwan human rights advocate Lee Ming-che, also known as Li Ming-Che, who has been jailed for "subverting state power", speaks to the media as she returns from China after visiting her husband, at Taoyuan International Airport, Taiwan March 28, 2018. REUTERS/Tyrone Siu

Lee Ching-yu, wife of Taiwan human rights advocate Lee Ming-che, also known as Li Ming-Che, who has been jailed for "subverting state power", speaks to the media as she returns from China after visiting her husband, at Taoyuan International Airport, Taiwan March 28, 2018. REUTERS/Tyrone Siu

Lee Ching-yu, wife of Taiwan human rights advocate Lee Ming-che, also known as Li Ming-Che, who has been jailed for "subverting state power", speaks to the media as she returns from China after visiting her husband, at Taoyuan International Airport, Taiwan March 28, 2018. REUTERS/Tyrone Siu

Lee Ching-yu, wife of Taiwan human rights advocate Lee Ming-che, also known as Li Ming-Che, who has been jailed for "subverting state power", speaks to the media as she returns from China after visiting her husband, at Taoyuan International Airport, Taiwan March 28, 2018. REUTERS/Tyrone Siu

Lee Ching-yu, wife of Taiwan human rights advocate Lee Ming-che, also known as Li Ming-Che, who has been detained in China, departs for her husband's trial from the airport in Taipei, Taiwan September 10, 2017. REUTERS/Tyrone Siu

Lee Ching-yu, wife of Taiwan human rights advocate Lee Ming-che, also known as Li Ming-Che, who has been detained in China, departs for her husband's trial from the airport in Taipei, Taiwan September 10, 2017. REUTERS/Tyrone Siu

Li Ching-yu (R), a wife of Taiwanese human rights activist Li Ming-che, detained in China, tries to check-in at Taoyuan International Airport, Taiwan, April 10, 2017. REUTERS/Fabian Hamacher

Li Ching-yu (C), a wife of Taiwanese human rights activist Li Ming-che, who is detained in China, speaks to media after she was rejected to board a plane to Beijing at Taoyuan International Airport, Taiwan April 10, 2017. REUTERS/Fabian Hamacher

Li Ching-yu (C), a wife of Taiwanese human rights activist Li Ming-che, detained in China, attends a news conference in Taipei, Taiwan March 31, 2017.REUTERS/Tyrone Siu

Li Ching-yu (L), a wife of Taiwanese human rights activist Li Ming-che, detained in China, holds a statement during a news conference in Taipei, Taiwan March 31, 2017.REUTERS/Tyrone Siu

Li Ching-yu (L), a wife of Taiwanese human rights activist Li Ming-che, detained in China, attends a news conference in Taipei, Taiwan March 31, 2017.REUTERS/Tyrone Siu

Li Ching-yu, a wife of Taiwanese human rights activist Li Ming-che, detained in China, cries during a news conference in Taipei, Taiwan March 31, 2017.REUTERS/Tyrone Siu

Li Ching-yu, a wife of Taiwanese human rights activist Li Ming-che, detained in China, cries during a news conference in Taipei, Taiwan March 31, 2017.REUTERS/Tyrone Siu

Li Ching-yu, wife of Taiwanese human rights activist Li Ming-che, detained in China, sheds a tear at a news conference in Taipei, Taiwan March 29, 2017.REUTERS/Tyrone Siu

Li Ching-yu, wife of Taiwanese human rights activist Li Ming-che, who was detained in China, sheds a tear at a news conference in Taipei, Taiwan March 29, 2017.REUTERS/Tyrone Siu

Netherlands' Li Jie hits a return to Taiwan's Cheng I-Ching during the World Team Table Tennis Championships in Tokyo May 2, 2014. REUTERS/Yuya Shino (JAPAN - Tags: SPORT TABLE TENNIS)

(L to R) Actors Jet Li, Eva Huang, Charlene Choi and director Ching Siu-Tung pose during the photocall of their film " Baishe Chuanshuo" during the 68th Venice Film Festival September 2, 2011. REUTERS/Alessandro Bianchi (ITALY - Tags: ENTERTAINMENT)

Actor Jet Li poses during the photocall of film "Baishe Chuanshuo" by director Ching Siu-Tungduring the 68th Venice Film Festival September 2, 2011. REUTERS/Alessandro Bianchi (ITALY - Tags: ENTERTAINMENT)

Actor Jet Li poses during the photocall of film " Baishe Chuanshuo" by director Ching Siu-Tung during the 68th Venice Film Festival September 2, 2011. REUTERS/Alessandro Bianchi (ITALY - Tags: ENTERTAINMENT)

Taiwan's Tseng Ching-hsiang lies on the floor after he is knocked out by South Korea's Song Ji-hoon (R) in the men's under 72kg final bout at the East Asian Games in Hong Kong December 7, 2009. REUTERS/Toru Hanai (CHINA SPORT TAEKWONDO)

Taiwan's Huang Sheng-Sheng serves to Hong Kong's Li Ching during the East Asian Games men's team table tennis qualifiers in Hong Kong December 3, 2009. REUTERS/Tyrone Siu (CHINA SPORT TABLE TENNIS)

Hong Kong's Li Ching reacts after scoring against Taiwan's Huang Sheng-sheng during the East Asian Games men's team table tennis qualifiers in Hong Kong December 3, 2009. REUTERS/Tyrone Siu (CHINA SPORT TABLE TENNIS)

Hong Kong's Li Ching reacts after scoring against Taiwan's Huang Sheng-sheng during the East Asian Games men's team table tennis qualifiers in Hong Kong December 3, 2009. REUTERS/Tyrone Siu (CHINA SPORT TABLE TENNIS)

Hong Kong's Li Ching serves to Taiwan's Huang Sheng-sheng during the East Asian Games men's team table tennis qualifiers in Hong Kong December 3, 2009. REUTERS/Tyrone Siu (CHINA SPORT TABLE TENNIS)

Brian Ching of the U.S. lies facedown in the goal after missing a scoring opportunity during their CONCACAF Gold Cup soccer match against Honduras at RFK Stadium in Washington July 8, 2009. REUTERS/Kevin Lamarque (UNITED STATES SPORT SOCCER)

Sweden's Jorgen Persson (R) and Robert Svensson return the ball against Hong Kong's Li Ching and Yuk Cheung in men's doubles match during the World Table Tennis Championships in Yokohama, south of Tokyo May 2, 2009. REUTERS/Kim Kyung-Hoon (JAPAN SPORT TABLE TENNIS)

Sweden's Jorgen Persson (R) and Robert Svensson return the ball against Hong Kong's Li Ching and Yuk Cheung in men's doubles match during the World Table Tennis Championships in Yokohama, south of Tokyo May 2, 2009. REUTERS/Kim Kyung-Hoon (JAPAN SPORT TABLE TENNIS)

Hong Kong's Li Ching (R) and Yuk Cheung return the ball against Sweden's Jorgen Persson and Robert Svensson in men's doubles match during the World Table Tennis Championships in Yokohama, south of Tokyo May 2, 2009. REUTERS/Kim Kyung-Hoon (JAPAN SPORT TABLE TENNIS)

Hong Kong's Li Ching (R) and Yuk Cheung return the ball against Sweden's Jorgen Persson and Robert Svensson in men's doubles match during the World Table Tennis Championships in Yokohama, south of Tokyo May 2, 2009. REUTERS/Kim Kyung-Hoon (JAPAN SPORT TABLE TENNIS)

Hong Kong's Tang Peng serves the ball to compatriot Li Ching at the men's singles match during the World Table Tennis Championships in Yokohama, south of Tokyo May 1, 2009. REUTERS/Toru Hanai (JAPAN SPORT TABLE TENNIS)

Hong Kong's Li Ching (R) and Cheung Yuk serve against France's Emmanuel Lebesson and Adrien Mattenet during their their men's doubles match at the World Table Tennis Championships in Yokohama, south of Tokyo May 1, 2009. REUTERS/Toru Hanai (JAPAN SPORT TABLE TENNIS)

Hong Kong's Li Ching returns the ball against Iceland's Gudmundur Stephensen during their men's singles match at the World Table Tennis Championships in Yokohama, south of Tokyo April 30, 2009. REUTERS/Kim Kyung-Hoon (JAPAN SPORT TABLE TENNIS)

Hong Kong's Li Ching returns the ball against Ukraine's Yaroslav Zhmudenko (not in the picture) in the men's singles match during the World Table Tennis Championships in Yokohama, south of Tokyo April 30, 2009. REUTERS/Kim Kyung-Hoon (JAPAN SPORT TABLE TENNIS)

Rightfielder Kylie Cronk of Australia falls after making a diving catch on a ball hit by Li Chiu-Ching of Taiwan in the seventh inning during their women's preliminaries softball game at the Beijing 2008 Olympic Games August 15, 2008. REUTERS/Jessica Rinaldi (CHINA)

Ching Li of Hong Kong serves during his men's team bronze play-off round table tennis match againt Taiwan at the Beijing 2008 Olympic Games August 15, 2008. REUTERS/Ceerwan Aziz (CHINA)

Seiya Kishikawa of Japan hugs his teammate Jun Mizutani after winning their men's team group D doubles table tennis match against Li Ching and Ko Lai Chak of Hong Kong at the Beijing 2008 Olympic Games August 14, 2008. REUTERS/Ceerwan Aziz (CHINA)

Leftfielder Li Chiu-Ching of Taiwan catches a line drive against Japan during their softball game at the Beijing 2008 Olympic Games August 13, 2008. REUTERS/Jessica Rinaldi (CHINA)

Taiwan's Li Chiu-Ching (R) celebates with team mate Lai Meng-Ting after hitting a solo home run against Canada during a women's preliminaries softball game at the Beijing 2008 Olympic Games, August 12, 2008. REUTERS/Jessica Rinaldi (CHINA)

Jennifer Yee of Canada advances to third base on a single by Jennifer Salling as Taiwan third baseman Li Chiu-Ching takes the throw in the third inning of their softball game during the Beijing 2008 Olympic Games August 12, 2008. REUTERS/Jessica Rinaldi (CHINA)

Hong Kong's Leung Chu Yan and Li Ching (top) play Singapore's Gao Ning and Yang Zi during their Singapore Open men's doubles quarter-final table tennis match in Singapore June 7, 2008. REUTERS/Tim Chong (SINGAPORE)

Members of the Hong Kong men's table tennis team (L-R) Cheung Yuk, Leung Chu-yan, Tang Peng, Ko Lai-chak, Li Ching and coach Chan Kong-wah stand on the podium with their trophy after coming in third along with Japan in the World Team Table Tennis Championships in the southern Chinese city of Guangzhou March 2, 2008. REUTERS/Bobby Yip (CHINA)

Hong Kong's Li Ching returns a shot to China's Ma Lin during the men's semi-finals of the World Team Table Tennis Championships in the southern Chinese city of Guangzhou March 1, 2008. REUTERS/Bobby Yip (CHINA)

China's Ma Lin celebrates after beating Hong Kong's Li Ching during the men's semi-finals of the World Team Table Tennis Championships in the southern Chinese city of Guangzhou March 1, 2008. REUTERS/Bobby Yip (CHINA)

Hong Kong's Li Ching reacts after losing a point to China's Ma Lin during the men's semi-finals of the World Team Table Tennis Championships in the southern Chinese city of Guangzhou March 1, 2008. REUTERS/Bobby Yip (CHINA)

Hong Kong's Li Ching (top) returns a shot to China's Ma Lin during the men's semi-finals at the World Team Table Tennis Championships in the southern Chinese city of Guangzhou March 1, 2008. REUTERS/Bobby Yip (CHINA)

Romania's Adrian Crisan reacts after losing a point to Hong Kong's Li Ching during the men's quarter-finals of the World Team Table Tennis Championships in the southern Chinese city of Guangzhou February 29, 2008. REUTERS/Bobby Yip (CHINA)

Romania's Andrei Filimon returns a shot to Hong Kong's Li Ching during the men's quarter-finals of the World Team Table Tennis Championships in the southern Chinese city of Guangzhou February 29, 2008. REUTERS/Bobby Yip (CHINA)

Hong Kong's Li Ching returns a shot to Romania's Andrei Filimon during the men's quarter-finals of the World Team Table Tennis Championships in Guangzhou February 29, 2008. REUTERS/Bobby Yip (CHINA)

Hong Kong's Li Ching reacts after winning a point over Romania's Adrian Crisan during the men's quarter-finals of the World Team Table Tennis Championships in the southern Chinese city of Guangzhou February 29, 2008. REUTERS/Bobby Yip (CHINA)

Vladimir Samsonov of Belarus returns a shot to Hong Kong's Li Ching during the men's preliminaries of the World Team Table Tennis Championships in the southern Chinese city of Guangzhou February 28, 2008. REUTERS/Bobby Yip (CHINA)

Hong Kong's coach Chan Kong-wah (L) chats with player Li Ching during his match against Belarus' Vladimir Samsonov in the men's preliminaries of the World Team Table Tennis Championships in the southern Chinese city of Guangzhou February 28, 2008. REUTERS/Bobby Yip (CHINA)

Hong Kong's Li Ching reacts after losing a point to Singapore's Gao Ning during the men's preliminaries of the World Team Table Tennis Championships in the southern city of Guangzhou February 27, 2008. REUTERS/Bobby Yip (CHINA)

Singapore's Gao Ning returns a shot to Hong Kong's Li Ching during the men's preliminaries of the World Team Table Tennis Championships in Guangzhou February 27, 2008. REUTERS/Bobby Yip (CHINA)

Hong Kong's Li Ching returns a shot to Singapore's Gao Ning during the men's preliminaries of the World Team Table Tennis Championships in Guangzhou February 27, 2008. REUTERS/Bobby Yip (CHINA)

China's Chen Qi (R) and Ma Lin watch the match between Hong Kong's Li Ching and Singapore's Gao Ning during the men's preliminaries of the World Team Table Tennis Championships in the southern Chinese city of Guangzhou February 27, 2008. REUTERS/Bobby Yip (CHINA)

Denmark's Michael Maze (R) celebrates with teammate Tugwell Finn after beating Hong Kong's Li Ching during the men's preliminaries of the World Team Table Tennis Championships in China's southern city of Guangzhou February 26, 2008. REUTERS/Bobby Yip (CHINA)

Hong Kong's Li Ching reacts after losing a point during match against Denmark's Michael Maze in the men's preliminaries of the World Team Table Tennis Championships in China's southern city of Guangzhou February 26, 2008. REUTERS/Bobby Yip (CHINA)