The official rafting season on Struma river is very soon, did you started warming up the arms and legs for the big paddling?
Here you can see details of the official opening of the rafting season and the discount for all : https://rafting.bg/en/opening-of-rafting-season-struma-22/
https://teambuilding-bg.com/product/rafting-on-struma-river/?lang=en