Is it possible to get GC by adopting an Adult who is a US citizen -- who then sponsors his new parents for GC ? Such as, a married couple who are foreigners at age 45, who adopt a 22-year old US citizen.
Note that it is Legal (generally) to adopt an Adult in the USA, and that this is done for various legal purposes (inheritance, care, etc.).
Note that it is Legal (generally) to adopt an Adult in the USA, and that this is done for various legal purposes (inheritance, care, etc.).