Escher Staircase GIF

a black and white photo of an optical illusion of stairs in a building .
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內容說明: a black and white photo of an optical illusion of stairs in a building .
檔案大小: 7617KB
時間長度: 5.100 sec
維度: 498x373
建立時間: 5/8/2020, 2:47:44 AM