6 Complete the text about rebuilding Greensburg. Use the words in the box. mirror holes solar panels tubes sunlight building sustainable electricity heat Solar energy was used in the new building. shines into these tubes. It's reflected through the tubes by a'. and it lights up the room. A special cover on top of each tube keeps the outside Then large were made and the were placed inside them. For even more energy were built. When the panels receive sunlght, they turn it into 'Solar panels can create enough energy to power the whole

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