This is the bonus cache for the ALC Hagaparken. You will get a 3 letter code at each location when submitting the correct answer to the question. Concatenate those (AAABBBCCCDDDEEE) and enter in the Certitude below to get the final coordinates. You can see all the codes, after you finished, by choosing "View 5 Journal entries" in the ALC app.
There is also an Extended Bonus, which requires information from five (5) more "locations" in the park: GC8WWN0
Enter the codes you got from the ALC into this Certitude to get the coordinates for the cache:
You can validate your puzzle solution with certitude.
(AAABBBCCCDDDEEE)
QR code to the ALC: