Kymijoki River - Korkeakoski - Kotka - Finland. Jannes easy DIY tube flies have been effective on season 2020!!! #kymijoki #kotka #putkiperhot #perhonsidonta #lohiperhot #lohenkalastus #saalisklubi #miniperhot #mustaperho #salmon #salmonfinland #kalastus #kalastussuomi #fishingfinland #tubefly #tubfluga #tubefluer #tubenfliegen #lachs #lax #lohi #salmon #bigfish #bigsalmon #mustakettu #esanerikoinen #fishingcenterkotka #laituri #oulu #ouluperhonsidonta #riverranger #riverbugfinland #shop…