@minimal.maps: Why Is the Caspian Sea a Lake but the Black Sea Isn’t? Both the Caspian Sea and the Black Sea are surrounded by land. So why does one have a natural connection to the world's oceans while the other doesn't? 🌍 The answer lies in their waterways. #CaspianSea #BlackSea #Geography #GeographyFacts #Maps Credits: https://docs.google.com/document/d/1bzNNd7myxM96EV08t15pwkg1HgOZW3GGqK7-M-vHs6o/edit?usp=sharing