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Yes with many holes, a mesh. Basically this is one huge air intake. Behind it is a 120mm fan that sucks in the cold air and then blows it over your HD's into the PC.
More ventilation. On both the right and left side of the casing the panels have this large mesh.
Quite standard backside, except for the 120 mm fans. Let's move on to the inside of the casing.
Again we look at that 120mm Adda fan with protective fan grill. Here air is exhausted to the outside of the PC.