Water system from early Shang Dynasty discovered in central ChinaNFL to open academy in Australia to identify and develop young prospectsThe Latest: Trump takes to social media before Supreme Court argumentsFlooding in Tanzania has killed 155 people as heavy rains continue in Eastern AfricaWashington Commanders will retire Hall of Fame cornerback Darrell Green's No. 28 next seasonAbortion fight rages on with moves to repeal Arizona ban and a Supreme Court caseFirefighters fully contain southern New Jersey forest fire that burned hundreds of acresWindmill sails at Moulin Rouge have collapsedBelarus claims it prevented drone attacks from Lithuania. Vilnius rejects the allegationsPoland lays claim to a leadership role in Europe as Russia's war threatens stability