Old-timer's backup stashes

As you find the last Old-timer's stash, Kostya drops his last message on your PDA. It says that Old-timer left his final backup stash in Central Pripyat; it's hard to reach, and can only be accessed from the central square.
== Walkthrough ==
As you pick up the PDA in the stash, you are sent to another location with a note dropped into your PDA. The route to all 3 stashes is shown on the video below.
The final stash in Yantar is hard to escape from without using a teleport. Bring any working teleporter device, or at least one Teleport artifact.
If you want to escape without teleporting, bring at least two jump artifacts, and be ready for some parkour.
== Notes ==
* Old-timer's teleport that you find in the final stash is able to teleport you to a random Soviet monument across the Zone. It consumes a Teleport artifact on each use.
== Bugs ==