英语听力精选进阶版 11171（在线收听）

Water worlds. Holding back the sea 06 Feb 15

Fri, 6 Feb 15

Gemma Hunt begins a new unit by exploring landscapes created by holding back the sea. She visits the Thames Barrier in London and our story is that of Hans Brinker - the fictional Dutch boy who saves his country by plugging a leaking dyke with his finger.