Rock of ages: how chalk made England – podcast
Swathes of England’s landscape were shaped by the immense block of chalk that has lain beneath it for 100 million years. For a long time, even geologists paid it little heed – but now its secrets and symbolism are being revealed. By Helen Gordon. Help support our independent journalism at <a href="https://www.theguardian.com/longreadpod">theguardian.com/longreadpod</a>