Maersk’s ‘sweeper’ boxship returning empty containers to Asia 8 April 2021 Boxship’s arrival in Australia said to be a big help in alleviating empty container build upAuthor: Capt. Johnhttps://www.tradewindsnews.com/containerships/maersk-s-sweeper-boxship-returning-empty-containers-to-asia/2-1-992443