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Marking Brand Achievement 2005 was Hydro's 100th anniversary, which was celebrated through numerous events across the Hydro world. To give a distinctive and meaniful look to the Centennial celebrations, we created a series of 'Centennial Identifiers', each combining one icon from nature and one from Hydro's bussiness to make up the number 100. This was a powerful way for Hydro to communicate its role in improving viability and visually expressing the link between its business, nature and society.