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Keywords from Image Description:
Populus tremula. Zitterpappel Populus tremula an der Saar in Saarbrcken own AnRo Cczero Populus at Saar in Saarbrcken Tremula Trees at Saar in Saarbrcken left bank Populus tremula Populus in Saarland in March Populus tremula Populus tremula in Saarland Populus tremula in March Catkins Populus tremula Catkins in March Populus