A digital illustration with impressionist oil painting style of the Karl Gerat, a WW2-era German self-propelled gun in firing position looming in the middle of a Crimean foggy grass wasteland during the Siege of Sevastopol. The image is a low angle shot with three-quarter angle. The gun of the Karl Gerat is pointing upward to the sky, ready for the next shot, indicating it's in the middle of bombardment operation. The Karl Gerat is weathered, its camouflage paint chipped, partially covered in a dense fog, bathed in bright lights of the setting sun on the horizon, accentuates its striking details and feature. The background is a foggy grass wasteland with no human seen, a mixture of natural beauty and desolation of war. The sky is burning red, filled with dark clouds and dark smoke, indicating the tense mood of the ongoing bombardment against the enemy., no humans, nobody,