USPENSKY SHOPPING CENTER, Yekaterinburg, Russia. There's a number of fixtures of the kind, all drilled like this. From the out of record talk with a Center's representative, I have found out that they had been made on purpose to take out the heat. Otherwise, ballasts of these 10 times xx W would shut down.
The fixture is Modular Diablo.
Ha, it's the famous Russian aquisitive mind! :) Why not, in any case it's a solution, though not sophisticated, I must admit.
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