Cryptoquip Answer for 10/05/2018

PZJ EVUP XBDJKXVK ELB-ELOJ UPKTHPTKJU PZLP RJKJ JNJK ATXYP: PZJ UJNJB AYTBOJKU VD PZJ RVKYO.

TODAY’S CLUE: Y = L

ANSWER: THE MOST INFERIOR MAN-MADE STRUCTURES THAT WERE EVER BUILT: THE SEVEN BLUNDERS OF THE WORLD.