An almost kilometre thick layer of clay or cap rock will lock away the CO2, just as it trapped oil and gas for millions of years, Schovsbo explains.
// 测试用例（验证你的代码正确性，可自行删除/保留）
Жители Санкт-Петербурга устроили «крысогон»17:52
Lex: FT’s flagship investment column
Author(s): Luca Benzi, Diana Nelli, Pascal Andreazza, Riccardo Ferrando, Georg Daniel Förster