Вторжение с небес: Берлин (промо)

Additional city tile released in the spielbox magazine, issue #1 2021 (English Edition). Berlin (F/D)Blue side (research 5) "At the beginning of each Rooms Phase, you may transfer one worker die to the command room (but only if it is excavated)." Red side (research 4) "At the beginning of each Rooms Phase, you may transfer one worker die to any excavated space in the middle column."