N'ihe osise ahụ, a na-ahụ ebe ndị mmadụ nọ n'ọhịa na-agba egwú na bagpipes, n'akụkụ ebe a na-eme ihe nkiri nke a na-akpọ magpie. Ebe a na-eme ihe nkiri ahụ dị n'etiti etiti ihe osise ahụ, na-ekewa ihe osise ahụ na abụọ, ihe osise nke Mannerist na akụkụ aka nri "mepere emepe" na aka ekpe "mechiri emechi", na magpie dị nso na etiti eserese ahụ. Ebe a na-eme ihe nkiri ahụ yiri ka ọ bụ "ihe na-agaghị ekwe omume", yiri nke Penrose triangle, na ntọala nke posts yiri ka a kụrụ n'akụkụ n'akụkụ, ma n'akụkụ aka nri nke cross-members na-alaghachi azụ n'ebe dị anya, na ìhè na-emegiderịta onwe ya. Ajụjụ: Olee ụdị ụdị geometric na-adịghị adị na gallows na eserese ahụ?
Penrose triangle