The line 's first segment was officially opened on 31 December 1989 .
The line 's first segment was officially consisted of three stations ; Zoloti Vorota -- Palats Sportu -- Mechnikova ( named Klovska today ) .
The line 's first segment was officially opened on 31 December 1989 , and consisted of three stations ; Zoloti Vorota -- Palats Sportu -- Mechnikova ( named Klovska today ) .