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Album with Views of Rome and Surroundings, Landscape Studies, page 49a: Study of a Evergreen Branch with Pinecone--Franz Johann Heinrich Nadorp (德国艺术家, 1794-1876)
(i) Channel Space Snake Isometric (ii) Slip Space Double Extend (iii) Passage Space Gate 2 – Ratio (iv) Passage Space Drift Isometric-Will-Insley ((i) 通道空间蛇形等距图(ii)滑动空间双延伸(iii)通道空间闸门2–比率(iv)通道空间漂移等距图-威尔·英斯利)