(6)It is necessary to enhance the flexibility of asset managers to invest in broad categories of real assets. Real assets should therefore be deemed to form a category of eligible assets, provided that those real assets have value due to their nature or substance. Such real assets include immovable property, such as communication, environment, energy or transport infrastructure, social infrastructure, including retirement homes or hospitals, as well as infrastructure for education, health and welfare support or industrial facilities, installations, and other assets, including intellectual property, vessels, equipment, machinery, aircraft or rolling stock.