Sparrow singing

After picking up the last stash at Radar, Syak said it was the idea of some stalker, who also said that if anybody goes towards Army Warehouses, they should listen to the sparrow singing near the transition.
== Walkthrough ==
The route is on the video below, timecode 1:35.
== Notes ==
* The final reward weighs 74.5kg, make sure you can lift that. The fridge doesn't actually get added to your inventory, it's instantly unpacked into a bunch of embryos.
* This task actually finishes the starting quest, Invisible stash.
== Bugs ==