.WASHINGTON, Sept. 23, 2020 (Xinhua) -- U.S. Treasury Secretary Steven Mnuchin (L) and Federal Reserve Chairman Jerome Powell share an elbow bump greeting prior to testifying at a hearing before the House Financial Services Committee on Capitol Hill in Washington, D.C., the United States, on Sept. 22, 2020. Mnuchin said Tuesday the administration continues to try to work with Congress and is ready to reach a bipartisan COVID-19 relief agreement, noting that a targeted package is still needed.

HOUSTON, Sept. 23, 2020 (Xinhua) -- Vehicles are seen in floodwater in Houston, Texas, the United States, on Sept. 22, 2020. Tropical storm Beta continued to bring rainfall to southeast Texas, the United States, on Tuesday, causing some flood in the area.

ADDIS ABABA, Sept. 23, 2020 (Xinhua) -- Photo taken on Sept. 22, 2020 shows facilities at the BGI Ethiopia COVID-19 test kit factory in the Bole Lemi industrial park on the outskirts of Addis Ababa, capital of Ethiopia. Chen Songheng, General Manager of BGI Ethiopia, a subsidiary company of Chinas biotech giant, BGI Genomics Co., Ltd., is feeling optimistic about Ethiopias anti-COVID-19 fight.

WASHINGTON, Sept. 23, 2020 (Xinhua) -- U.S. national flags representing the 200,000 lives lost to COVID-19 in the United States are placed on the National Mall in Washington, D.C., the United States, on Sept. 22, 2020.

MANILA, Sept. 22, 2020 (Xinhua) -- A man rides a bicycle during the World Car Free Day in Manila, the Philippines, Sept. 22, 2020.

SINGAPORE, Sept. 22, 2020 (Xinhua) -- Robot dog SPOT which can detect whether visitors wear masks or not is seen during its second round trials in Singapores Bishan Park, as part of measures against the spread of COVID-19, on Sept. 22, 2020. Besides maintaining safe social distancing, SPOT has increased capabilities like mask detection and 3D mapping without lidar during the second round trials.

SINGAPORE, Sept. 22, 2020 (Xinhua) -- Robot dog SPOT which can detect whether visitors wear masks or not is seen during its second round trials in Singapores Bishan Park, as part of measures against the spread of COVID-19, on Sept. 22, 2020. Besides maintaining safe social distancing, SPOT has increased capabilities like mask detection and 3D mapping without lidar during the second round trials.