Detailed text transcripts for TV channel - DW - 20171221:07:33:00
Problem they scrape off the surface soil every five to ten years that means more than two million tons of soil are removed each year in germany alone. samples of the soil and allies if it's heavily contaminated it goes into a landfill but most of it winds up as filler for construction projects. rainwater runoff along many of the busiest highways in germany is directed into special filtration plants called different shows us a facility he helped to build. on oil and other like fluid settle at the top that's why there's a battle at the rear of the water has to flow beneath it while the oil remai...
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