This cache is part of the 12-12-12 event
Polivalenta Sports hall, sometimes referred to as "Palatul Sportiv" (The Sports Palace), is an impressive indoor arena, capable of hosting a wide range of events, from sports events and competitions (tennis, handball, martial arts, chess, etc.), to commercial and artistic exhibitions, fairs, concerts, conferences.
Hope you enjoy the visit! Find a cache and the hint!
Good luck!