Photo 1: A digger puts corn silage to the storage place at the bio gas factory in Graden southern Germany, on March 5, 2013.
Photo 2: A digger puts the digested into a truck at the biogas factory in Graden southern Germany, on March 5, 2013.
Photo 3: A digger puts the digested to a truck at the biogas factory in Graden southern Germany, on March 5, 2013.
Photo 4: A pipeline conveying biogas at the biogas factory in Graden southern Germany, on March 5, 2013.
Photo 5: A pipeline conveying biogas at the biogas factory in Graden southern Germany, on March 5, 2013.
Photo 6: A pipeline with biogas at the biogas factory in Graden southern Germany, on March 5, 2013.
Photo 7: A pipeline with biogas at the biogas factory in Graden southern Germany, on March 5, 2013.
Photo 8: A staff member checks inputs at the biogas factory in Graden southern Germany, on March 5, 2013.
Photo 9: A staff member monitors the plant on a computer screen at the biogas factory in Graden southern Germany, on March 5, 2013.
Photo 10: A staff member monitors the plant on a computer screen at the biogas factory in Graden southern Germany, on March 5, 2013.
Photo 11: A truck stands on a scale for weighing at the biogas factory in Graden southern Germany, on March 5, 2013.
Photo 12: A truck unloads corn silage to a storage place at the bio gas factory in Graden southern Germany, on March 5, 2013.
Photo 13: A truck unloads corn silage to a storage place at the bio gas factory in Graden southern Germany, on March 5, 2013.
Photo 14: A truck unloads corn silage to a storage place at the biogas factory in Graden southern Germany, on March 5, 2013.
Photo 15: Close up of corn silage at the biogas factory in Graden southern Germany, on March 5, 2013.
Photo 16: General view at the biogas factory in Graden southern Germany, on March 5, 2013.
Photo 17: General view of the biogas factory in Graden southern Germany, on March 5, 2013.
Photo 18: General view of the biogas factory in Graden southern Germany, on March 5, 2013.
Photo 19: Pipelines conveying biogas at the biogas factory in Graden southern Germany, on March 5, 2013.
Photo 20: Pipelines conveying biogas at the biogas factory in Graden southern Germany, on March 5, 2013.
Photo 21: The truck driver shovels corn silage into the storage place at the biogas factory in Graden southern Germany, on March 5, 2013.
Photo 22: The truck driver shovels corn silage into the storage place at the biogas factory in Graden southern Germany, on March 5, 2013.
Photo 23: The weight of the truck on the scale with corn silage at the biogas factory in Graden southern Germany, on March 5, 2013.