Béchamel sauce is a mother sauce of the French cuisine. It is made up of butter, flour and milk. It is used as a base for other sauces, like mornay sauce.
There are many dishes that you can prepare using a béchamel sauce. This includes pasta, like lasagña or mac and cheese, gratin, and baked potatoes.
As a movement, environmental art emerged in the 1960s when famous individuals such as Nils Udo, Jean-Max Albert and Piotr Kowalski paved the way for this form of art expression. They have been continuously creating environment-related work since then thus spreading the ideas of environmental art.