U.S. Ambassador to the European Union Gordon Sondland (R) leaves for a break during an impeachment hearing held by the U.S. House Intelligence Committee on Capitol Hill in Washington D.C., the United States, on Nov. 20, 2019. Gordon Sondland on Wednesday testified that U.S. President Donald Trump conditioned a White House meeting for Ukraine's new president on his assurance to conduct investigation into Trump's democratic adversaries. (Xinhua/Liu Jie)