For almost a century, until the 1960s, soda bottles in the US were generally meant to be returned.
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Mads Gade, CEO of Ineos Energy points to the huge pipes of the wellhead which, for decades, carried oil and gas up from below the seabed.
位于伊拉克南部米桑省的哈法亚油田，现代化厂区整洁美观，400多口油水井、5个高压注水泵站、3个油气中心处理厂和1个天然气处理厂昼夜不停生产作业。人们很难想象，15年前这里还是一片荒无人烟的偏远油区。