Unexploded Fireworks

To find this treasure in the Undermine area, go to the coordinates: /way 47.74, 41.01. There you will see a staircase. Climb it and enter the building. After that, go up to the third floor using the stairs and exit onto the metal balcony through the door. Then simply jump from the balcony railing onto the roof. On the wall of the house, you will find the hidden treasure.

You can also try to climb from the first and second floors to the third using other stairs and doors, but in this case, you will need to jump from one part of the building to another, which might be inconvenient.

Therefore, it is best to head straight to the third floor and exit onto the balcony. Then simply jump from the balcony railing onto the roof. On the wall of the house, you will find the hidden treasure.