2019-12-21 Amsterdam Tests ‘Bubble Barrier’ to Clean River
Amsterdam is testing a “bubble barrier” to help remove plastic from the city’s waterways. The project is called the Great Bubble Barrier. The system aims to capture waste beneath the…
VOA英语教学网 - VOA LEARNING ENGLISH
一个让你免费在线学习VOA英语的好地方! 无须报名, 不收学费, 全年无休, 保证提高! (^_^)
Amsterdam is testing a “bubble barrier” to help remove plastic from the city’s waterways. The project is called the Great Bubble Barrier. The system aims to capture waste beneath the…