I thought, "it's a good idea to create a mystery cache and dedicate it to those you love in Valentine's Day!"
So, the cache is hidden not far from the Metro station "Hippodrome". Here are some showplaces of Kiev as “Ice Arena” and “Kiev Dolphinarium”. There is often festive meeting of lovers. Of course more often come here parents with children too.
Winter Ace Arena 
Kiev Dolphinarium in winter day
Container cache is not large. But here can fit small souvenirs and small TB.
Symbols of Valentine’s day is hearts. Therefore, the exact coordinates of the cache search in this puzzle with hearts…
Hits! Be careful, many muggles around!