Prompt
"Generate an image of the Po River in Northern Italy, showcasing its serene landscape with the river flowing through the Po Valley, surrounded by lush greenery and possibly with some historic or modern infrastructure like bridges or boats, highlighting its significance as the longest river in Italy, a crucial waterway for transport, and its importance for agriculture, with a notable mention of its location near major cities like Turin, Ferrara, and Mantua, and its delta, the Po Delta, a UNESCO World Heritage Site."