architecture building castle germany Harz history Saxony-Anhalt stone tower wall wernigerode bird's eye forest green pattern pinery texture thick view wood blue Dayflower flower flowering plant Gentian family Gentiana petal plant stemless gentian wildflower brown bushes clouds fields hill landscape leaves sky trees yellow danger high panorama path rocky rough rugged Sardinia stony track trail background conifer evergreen natural nature shadow sunlight tree trunk chimney door elevation factory house old old-fashioned scenic stairs storey windows alone autumn colorado evening fall mountians November park prairie sunset thanksgiving walking Burg Falkenstein fortress medieval middle ages monument relic stronghold
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