Eight raw, oval-shaped individual pizzas are arranged on baking paper inside a metal electric oven in Pétange, Luxembourg, prior to baking

Eight raw, oval-shaped individual pizzas are arranged on baking paper inside a metal electric oven in Pétange, Luxembourg, prior to baking. Four pizzas occupy the upper metal rack, and four are on the lower metal rack. On the upper rack, from left to right: 1. A pizza with tomato sauce, pepperoni, sliced white mushrooms, and sliced zucchini. 2. A pizza with tomato sauce, pepperoni, sliced white mushrooms, and sliced zucchini. 3. A pizza with tomato sauce, diced red bell peppers, yellow bell pepper strips, and sliced zucchini. 4. A pizza, partially visible, consistent with the other preparations. On the lower rack, from left to right: 1. A pizza with tomato sauce, shredded white cheese, ham strips, sliced white mushrooms, sliced zucchini, and small orange/yellow bell pepper pieces or cherry tomatoes. 2. A pizza with tomato sauce, shredded white cheese, ham strips, sliced white mushrooms, sliced zucchini, and small orange/yellow bell pepper pieces or cherry tomatoes. 3. A pizza with tomato sauce, shredded white cheese, ham strips, and sliced white mushrooms. 4. A pizza with tomato sauce, shredded white cheese, diced red bell peppers, yellow bell pepper strips, and sliced zucchini. The oven interior is dark, illuminated by a light source in the upper left, with a fan vent visible on the upper right.