https://www.boatinternational.com/yachts/yacht-design/superyachts-with-submarines https://www.boatinternational.com/yachts/yacht-design/supery... It must be "L

https://www.boatinternational.com/yachts/yacht-design/superyachts-with-submarines https://www.boatinternational.com/yachts/yacht-design/supery... It must be "La Datcha".