The cache located in a park near an artificial lake and a cable-stayed bridge.
See spoiler for exact location, you'll see it's hidden under few rocks on the bottom of the picture.
Frr fcbvyre sbe rknpg ybpngvba, lbh'yy frr vg'f uvqqra haqre srj ebpxf ba gur obggbz bs gur cvpgher.