translation.en: This was from Nature magazine. These are concentrating solar, renewable energy plants, linked in a so-called "supergrid" to supply all of the electrical power to Europe, largely from developing countries -- high-voltage DC currents.
translation.zh: 这是取自《自然》杂志。这些是 可再生太阳能收集站，连接起来形成超级网络， 来供应电力， 大部分从发展中国家向欧洲，高压直流电。