ostalgie, n.All

Ostalgie (n.) is ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠nostalgia for a society memorialized in its own theme park before it has fully disappeared.