If each image features a staircase that ascends diagonally from the lower left and has wrought iron bars with some type of decorative embellishment.
return staircase ;return #1 that ascends diagonally ;return #2 from  the  lower left ;return iron bars ;return #4 that are wrought ;return embellishment ;return #6 that is decorative ;return #5 with #7 ;return #3 that has #8 ;return images of #9 ;return images ;return number of  #10 ;return number of  #11 ;return if  #12 is equal to  #13
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