Not a TON of things pop up in the news that make me say "I wish I had done this" but this is definitely one of them.
https://www.msn.com/en-us/news/world/two-germans-parked-a-mangled-russian-tank-in-front-of-the-russian-embassy-in-berlin-as-an-anniversary-gift/ar-AA17TLyu?ocid
Two Germans parked a mangled Russian tank in front of the Russian embassy in Berlin as an anniversary gift

An anniversary reminder of "Putin's Stalingrad" — in the form of a broken Russian tank — was placed outside the Russian embassy in Berlin.

MSN