G20 Finance Ministers and Central Bank Governors (including from L in front row) World Bank President Jim Yong Kim, an unidentified member, Turkey Deputy Prime Minister Mehmet Simsek, China's Finance Minister Lou Jiwei, China's Governor of the People's Bank of China Zhou Xiaochuan and Germany's Federal Minister of Finance Wolfgang Schauble prepare for a group photo in Chengdu in Southwestern China's Sichuan province, Sunday, July 24, 2016. REUTERS/Ng Han Guan/Pool 

G20 Finance Ministers and Central Bank Governors (including from L in front row) Britain's Chancellor of the Exchequer Philip Hammond, World Bank President Jim Yong Kim, an unidentified member, Turkey Deputy Prime Minister Mehmet Simsek, China's Finance Minister Lou Jiwei, China's Governor of the People's Bank of China Zhou Xiaochuan, Germany's Federal Minister of Finance Wolfgang Schauble, International Monetary Fund managing director Christine Lagarde and Secretary-General of OECD Angel Gurria during a group photo in Chengdu in Southwestern China's Sichuan province, Sunday, July 24, 2016. REUTERS/Ng Han Guan/Pool TPX IMAGES OF THE DAY

International Monetary Fund (IMF) director Christine Lagarde (L) is greeted by Zhou Xiaochuan, governor of the People's Bank of China (R) at the 1+6 Roundtable on promoting growth in the Chinese and global economies at the Diaoyutai State Guesthouse in Beijing, China, July 22, 2016. REUTERS/Mark Schiefelbein/Pool 

Governor of the People's Bank of China Zhou Xiaochuan awaits the International Monetary and Financial Committee (IMFC) Meeting during the 2016 World Bank-IMF Spring Meeting in Washington April 16, 2016. REUTERS/Joshua Roberts 

Governor of the People's Bank of China Zhou Xiaochuan walks to the International Monetary and Financial Committee (IMFC) Meeting during the 2016 World Bank-IMF Spring Meeting in Washington April 16, 2016. REUTERS/Joshua Roberts 

Governor of the People's Bank of China Zhou Xiaochuan speaks with IMF Managing Director Christine Lagarde before the International Monetary and Financial Committee (IMFC) Family Photo during the 2016 World Bank-IMF Spring Meeting in Washington April 16, 2016. REUTERS/Joshua Roberts 

U.S. Federal Reserve Board Chair Janet Yellen shakes hands with Zhou Xiaochuan, Governor of the People's Bank of China, before the International Monetary and Financial Committee (IMFC) family photo during the 2016 World Bank-IMF Spring Meeting in Washington April 16, 2016. REUTERS/Joshua Roberts 

German Finance Minister Wolfgang Schauble (L) and Bank of China Governor Zhou Xiaochuan (R) shake hands as Chinese Finance Minister Lou Jiwei (C) looks on during the G20 Finance Ministers and Bank Governors family photo at the IMF and World Bank spring meetings in Washington April 15, 2016. REUTERS/Kevin Lamarque 

Zhou Xiaochuan, Governor of the People's Bank of China laughs as he speaks during a session of the China Development Forum in Beijing, China, March 20, 2016. REUTERS/Shu Zhang 

Zhou Xiaochuan, Governor of the People's Bank of China laughs as he leaves with IMF Managing Director Christine Lagarde after a session of the China Development Forum in Beijing, China, March 20, 2016. REUTERS/Shu Zhang 

Zhou Xiaochuan, Governor of the People's Bank of China, answers a question at a news conference on the sidelines of the National People's Congress (NPC), China's parliament, in Beijing, China, March 12, 2016. REUTERS/Jason Lee 

A tea attendant serves ahead of a news conference by Zhou Xiaochuan, Governor of the People's Bank of China, on the sidelines of the National People's Congress (NPC), China's parliament, in Beijing, China, March 12, 2016. REUTERS/Jason Lee 

Zhou Xiaochuan, Governor of the People's Bank of China, pauses as he waits for a question at a news conference on the sidelines of the National People's Congress (NPC), China's parliament, in Beijing, China, March 12, 2016. REUTERS/Jason Lee 

Zhou Xiaochuan, Governor of the People's Bank of China, drinks tea at a news conference on the sidelines of the National People's Congress (NPC), China's parliament, in Beijing, China, March 12, 2016. REUTERS/Jason Lee 

Zhou Xiaochuan, Governor of the People's Bank of China, answers a question at a news conference on the sidelines of the National People's Congress (NPC), China's parliament, in Beijing, China, March 12, 2016. REUTERS/Jason Lee 

Zhou Xiaochuan, Governor of the People's Bank of China, waits for a question at a news conference on the sidelines of the National People's Congress (NPC), China's parliament, in Beijing, China, March 12, 2016. REUTERS/Jason Lee 

Zhou Xiaochuan, Governor of the People's Bank of China, answers a question at a news conference on the sidelines of the National People's Congress (NPC), China's parliament, in Beijing, China, March 12, 2016. REUTERS/Jason Lee 

Zhou Xiaochuan, Governor of the People's Bank of China, addresses reporters during a news conference on the sidelines of the National People's Congress (NPC) in Beijing, China, March 12, 2016. REUTERS/Jason Lee 

Zhou Xiaochuan, Governor of the People's Bank of China, addresses reporters during a news conference on the sidelines of the National People's Congress (NPC) in Beijing, China, March 12, 2016. REUTERS/Jason Lee 

Zhou Xiaochuan, Governor of the People's Bank of China, is seen between cameramen during a news conference on the sidelines of the National People's Congress (NPC) in Beijing, China, March 12, 2016. REUTERS/Jason Lee 

Zhou Xiaochuan (C), Governor of the People's Bank of China, Pan Gongsheng (L), Vice Governor of the People's Bank of China and head of the State Administration of Foreign Exchange (SAFE), and Yi Gang, Vice Governor of the People's Bank of China attend a news conference on the sidelines of the National People's Congress (NPC) in Beijing, China, March 12, 2016. REUTERS/Jason Lee 

Zhou Xiaochuan, Governor of the People's Bank of China, attends a news conference on the sideline of the National People's Congress (NPC) in Beijing, China, March 12, 2016. REUTERS/Jason Lee 

Zhou Xiaochuan, Governor of the People's Bank of China, waves during a news conference on the sideline of the National People's Congress (NPC) in Beijing, China, March 12, 2016. REUTERS/Jason Lee 

China's Finance Minister Lou Jiwei (L) and China's central bank governor Zhou Xiaochuan attend a group photo session during the G20 finance ministers and central bank governors meeting in Shanghai, China February 27, 2016. REUTERS/Aly Song 

China's central bank governor Zhou Xiaochuan (L) and Germany's Finance Minister Wolfgang Schaeuble attend a group photo session during the G20 finance ministers and central bank governors meeting in Shanghai, China February 27, 2016. REUTERS/Aly Song TPX IMAGES OF THE DAY

China's Finance Minister Lou Jiwei (L) and China's central bank governor Zhou Xiaochuan (C) and People's Bank of China Deputy Governor Yi Gang (R) attend the opening ceremony of the G20 finance ministers and central bank governors meeting in Shanghai, China February 26, 2016. REUTERS/Aly Song 

China's central bank governor Zhou Xiaochuan attends a news conference ahead of the meeting of G20 finance ministers and central bank governors in Shanghai, China February 26, 2016. REUTERS/Aly Song 

China's central bank governor Zhou Xiaochuan (C) and vice governor Yi Gang (L) attend a news conference ahead of the meeting of G20 finance ministers and central bank governors in Shanghai, China February 26, 2016. REUTERS/Aly Song 

China's central bank governor Zhou Xiaochuan attends a news conference ahead of the meeting of G20 finance ministers and central bank governors in Shanghai, China February 26, 2016. REUTERS/Aly Song 

China's central bank governor Zhou Xiaochuan attends a news conference ahead of the meeting of G20 finance ministers and central bank governors in Shanghai, China February 26, 2016. REUTERS/Aly Song 

China's central bank governor Zhou Xiaochuan attends a news conference ahead of the meeting of G20 finance ministers and central bank governors in Shanghai, China February 26, 2016. REUTERS/Aly Song 

China's central bank governor Zhou Xiaochuan attends a news conference ahead of the meeting of G20 finance ministers and central bank governors in Shanghai, China February 26, 2016. REUTERS/Aly Song 

China's central bank governor Zhou Xiaochuan attends a news conference ahead of the meeting of G20 finance ministers and central bank governors in Shanghai, China February 26, 2016. REUTERS/Aly Song 

China's central bank governor Zhou Xiaochuan attends a news conference ahead of the meeting of G20 finance ministers and central bank governors in Shanghai, China February 26, 2016. REUTERS/Aly Song 

China's central bank governor Zhou Xiaochuan attends a news conference ahead of the meeting of G20 finance ministers and central bank governors in Shanghai, China February 26, 2016. REUTERS/Aly Song 

Singapore's Finance Minister Tharman Shanmugaratnam (C) chats with Bank of Mexico Governor Agustin Carstens (R) as People's Bank of China Governor Zhou Xiaochuan waits for a group photo of the International Monetary and Financial Committee (IMFC) governors, during the IMF and World Bank's 2015 Annual Spring Meetings, in Washington, April 18, 2015. REUTERS/Mike Theiler

(Front L-R) Switzerland's Finance Minister Eveline Widmer-Schlumpf, Saudi Arabia's Finance Minister Abdulaziz Al-Assaf, Germany's Finance Minister Wolfgang Schaeuble, People's Bank of China Governor Zhou Xiaochuan and Singapore's Finance Minister Tharman Shanmugaratnam gather for a group photo of the International Monetary and Financial Committee (IMFC) governors, during the IMF and World Bank's 2015 Annual Spring Meetings, in Washington, April 18, 2015. REUTERS/Mike Theiler

China's central bank governor Zhou Xiaochuan delivers a speech about "Sound Monetary Policy in the New Normal" at China Development Forum, in Beijing March 22, 2015. China will stick to a prudent monetary policy despite a recent rate cut and a reduction in the reserve requirement ratio, Zhou said on Sunday. REUTERS/Jason Lee 

China's central bank governor Zhou Xiaochuan delivers a speech about "Sound Monetary Policy in the New Normal" at China Development Forum, in Beijing March 22, 2015. China will stick to a prudent monetary policy despite a recent rate cut and a reduction in the reserve requirement ratio, Zhou said on Sunday. REUTERS/Jason Lee 

China's central bank governor Zhou Xiaochuan adjusts his glasses while listening to a question at a news conference during the annual session of the National People's Congress (NPC), the country's parliament, in Beijing, March 12, 2015. China has no need to change its prudent monetary policy stance, Zhou said on Thursday, after a raft of data suggested the world's second-largest economy lost further momentum early in the new year. REUTERS/Jason Lee (CHINA - Tags: POLITICS BUSINESS) 

China's central bank governor Zhou Xiaochuan reacts at a news conference during the annual session of the National People's Congress (NPC), the country's parliament, in Beijing, March 12, 2015. China has no need to change its prudent monetary policy stance, Zhou said on Thursday, after a raft of data suggested the world's second-largest economy lost further momentum early in the new year. REUTERS/Jason Lee (CHINA - Tags: POLITICS BUSINESS) 

China's central bank governor Zhou Xiaochuan arrives for a news conference during the annual session of the National People's Congress (NPC), the country's parliament, in Beijing, March 12, 2015. China has no need to change its prudent monetary policy stance, Zhou said on Thursday, after a raft of data suggested the world's second-largest economy lost further momentum early in the new year. REUTERS/Jason Lee (CHINA - Tags: POLITICS BUSINESS) 

China's central bank governor Zhou Xiaochuan answers a question at a news conference during the annual session of the National People's Congress (NPC), the country's parliament, in Beijing, March 12, 2015. China has no need to change its prudent monetary policy stance, Zhou said on Thursday, after a raft of data suggested the world's second-largest economy lost further momentum early in the new year. REUTERS/Jason Lee (CHINA - Tags: POLITICS BUSINESS) 

China's central bank governor Zhou Xiaochuan answers a question next to vice governor Yi Gang at a news conference during the annual session of the National People's Congress (NPC), the country's parliament, in Beijing, March 12, 2015. China has no need to change its prudent monetary policy stance, Zhou said on Thursday, after a raft of data suggested the world's second-largest economy lost further momentum early in the new year. REUTERS/Jason Lee (CHINA - Tags: POLITICS BUSINESS) 

Zhou Xiaochuan, Governor of the People's Bank of China speaks at the Volatility as the New Normal event in the Swiss mountain resort of Davos January 21, 2015. More than 1,500 business leaders and 40 heads of state or government will attend the Jan. 21-24 meeting of the World Economic Forum (WEF) to network and discuss big themes, from the price of oil to the future of the Internet. This year they are meeting in the midst of upheaval, with security forces on heightened alert after attacks in Paris, the European Central Bank considering a radical government bond-buying programme and the safe-haven Swiss franc rocketing. REUTERS/Ruben Sprich (SWITZERLAND - Tags: BUSINESS POLITICS TPX IMAGES OF THE DAY)

Zhou Xiaochuan, Governor of the People's Bank of China speaks at the Volatility as the New Normal event in the Swiss mountain resort of Davos January 21, 2015. More than 1,500 business leaders and 40 heads of state or government will attend the Jan. 21-24 meeting of the World Economic Forum (WEF) to network and discuss big themes, from the price of oil to the future of the Internet. This year they are meeting in the midst of upheaval, with security forces on heightened alert after attacks in Paris, the European Central Bank considering a radical government bond-buying programme and the safe-haven Swiss franc rocketing. REUTERS/Ruben Sprich (SWITZERLAND - Tags: BUSINESS POLITICS)

Zhou Xiaochuan, Governor of the People's Bank of China speaks at the Volatility as the New Normal event in the Swiss mountain resort of Davos January 21, 2015. More than 1,500 business leaders and 40 heads of state or government will attend the Jan. 21-24 meeting of the World Economic Forum (WEF) to network and discuss big themes, from the price of oil to the future of the Internet. This year they are meeting in the midst of upheaval, with security forces on heightened alert after attacks in Paris, the European Central Bank considering a radical government bond-buying programme and the safe-haven Swiss franc rocketing. REUTERS/Ruben Sprich (SWITZERLAND - Tags: BUSINESS POLITICS)

People's Bank of China Governor Zhou Xiaochuan (L) and Germany's Finance Minister Wolfgang Schaeuble speak before a group photo of the International Monetary and Financial Committee (IMFC) at the World Bank/IMF annual meetings in Washington October 11, 2014. REUTERS/Joshua Roberts (UNITED STATES - Tags: POLITICS BUSINESS) 

People's Bank of China Governor Zhou Xiaochuan and International Monetary Fund (IMF) Managing Director Christine Lagarde greet members of the International Monetary and Financial Committee (IMFC) after a group photo during the World Bank/IMF annual meetings in Washington October 11, 2014. REUTERS/Joshua Roberts (UNITED STATES - Tags: POLITICS BUSINESS) 

Guo Shuqing, chairman of China Construction Bank, speaks during an interview in Beijing, May 20, 2010. Chinese central bank Governor Zhou Xiaochuan, an advocate of pro-market financial reforms, may lose his job in a reshuffling that follows internal battles over overhauling the economy, the Wall Street Journal reported on September 24, 2014. The top contender to head the People's Bank of China (PBOC) is Guo Shuqing, a former banker and securities regulator who is currently governor of eastern Shandong province, the paper said. Picture taken May 20, 2010. REUTERS/Jason Lee (CHINA - Tags: POLITICS BUSINESS HEADSHOT) 

Guo Shuqing, chairman of China Construction Bank, listens to a staff member during an interview in Beijing, May 20, 2010. Chinese central bank Governor Zhou Xiaochuan, an advocate of pro-market financial reforms, may lose his job in a reshuffling that follows internal battles over overhauling the economy, the Wall Street Journal reported on September 24, 2014. The top contender to head the People's Bank of China (PBOC) is Guo Shuqing, a former banker and securities regulator who is currently governor of eastern Shandong province, the paper said. Picture taken May 20, 2010. REUTERS/Jason Lee (CHINA - Tags: POLITICS BUSINESS) 

Delegates of the G20 Finance Ministers and Central Bank Governors Meeting, including World Bank President Jim Yong Kim (front 2nd L), China's central bank governor Zhou Xiaochuan (front 3rd L), Japanese Finance Minister Taro Aso (front C) and Japanese central bank governor Haruhiko Kuroda (front R), talk as they arrive for an official photograph in the northern Australian city of Cairns September 20, 2014. As the Group of 20 leading economies meet to change no less than the "destiny" of the global economy, members remain divided on how to get there with Germany pushing back at U.S. calls for more government stimulus. Opening the meeting of finance ministers and central bankers, Australian Treasurer Joe Hockey outlined an ambitious agenda of boosting world growth, fireproofing the global banking system and closing tax loopholes for giant multi-nationals. REUTERS/Lincoln Feast (AUSTRALIA - Tags: POLITICS BUSINESS) 

People's Bank of China Governor Zhou Xiaochuan addresses delegates at the UK-China Financial Forum at Lancaster House, in London June 18, 2014. Chinese banks will further expand their businesses in Britain, the country's Premier Li Keqiang said on Wednesday after a meeting with the UK's finance minister George Osborne. REUTERS/Sang Tan/Pool (BRITAIN - Tags: POLITICS BUSINESS) 

People's Bank of China Governor Zhou Xiaochuan addresses delegates at the UK-China Financial Forum at Lancaster House, in London June 18, 2014. Chinese banks will further expand their businesses in Britain, the country's Premier Li Keqiang said on Wednesday after a meeting with the UK's finance minister George Osborne. REUTERS/Sang Tan/Pool (BRITAIN - Tags: POLITICS BUSINESS) 

People's Bank of China Governor Zhou Xiaochuan addresses delegates at the UK-China Financial Forum at Lancaster House, in London June 18, 2014. Chinese banks will further expand their businesses in Britain, the country's Premier Li Keqiang said on Wednesday after a meeting with the UK's finance minister George Osborne. REUTERS/Sang Tan/Pool (BRITAIN - Tags: POLITICS BUSINESS) 

A man sleeps on his cart next to carton boxes outside an electronics market near a street in Guangzhou, Guangdong province February 23, 2014. China is aiming for economic growth of between 7 and 8 percent, a level that is good for both the country and the world, Central Bank Governor Zhou Xiaochuan told a G20 meeting in Sydney this weekend. REUTERS/Alex Lee (CHINA - Tags: BUSINESS SOCIETY) 

Workers ride a bicycle past a financial building construction site in the central business district in Guangzhou, Guangdong province February 17, 2014. China is aiming for economic growth of between 7 and 8 percent, a level that is good for both the country and the world, Central Bank Governor Zhou Xiaochuan told a G20 meeting in Sydney this weekend. Picture taken February 17, 2014. REUTERS/Alex Lee (CHINA - Tags: BUSINESS EMPLOYMENT) 

People walk past the headquarters of the People's Bank of China (PBOC), the central bank, as two paramilitary police officials patrol around it in Beijing November 20, 2013. China will rely on market-based reforms to unleash fresh growth drivers to support the economy, not ultra-loose policies, central bank chief Zhou Xiaochuan said on November 26, 2013. Picture taken on November 20, 2013. REUTERS/Jason Lee (CHINA - Tags: BUSINESS POLITICS) 

People walk along an elevated walkway at the Pudong financial district in Shanghai November 20, 2013. With a shift in tone and language, China's central bank governor has dangled the prospect of speeding up currency reform and giving markets more room to set the yuan's exchange rate as he underlines broader plans for sweeping economic change. The central bank under Zhou Xiaochuan has consistently flagged its intention to liberalise financial markets and allow the yuan to trade more freely, even before the Communist Party's top brass unveiled late last week the boldest set of economic and social reforms in nearly three decades. REUTERS/Carlos Barria (CHINA - Tags: BUSINESS) 

A man looks at the Pudong financial district of Shanghai November 20, 2013. With a shift in tone and language, China's central bank governor has dangled the prospect of speeding up currency reform and giving markets more room to set the yuan's exchange rate as he underlines broader plans for sweeping economic change. The central bank under Zhou Xiaochuan has consistently flagged its intention to liberalise financial markets and allow the yuan to trade more freely, even before the Communist Party's top brass unveiled late last week the boldest set of economic and social reforms in nearly three decades. REUTERS/Carlos Barria (CHINA - Tags: BUSINESS CITYSCAPE TPX IMAGES OF THE DAY)