kouvola, finland - 15 september 2020: old red brick buildings of upm factory on rapids kuusankoski with rainbow

2020 autumn biofuel blue brick bridge building buildings business bypass cellulose dam day drop energy factory finland flow flowing foam industrial industry kouvola kuusankoski kymi kymijoki kymmene landmark manufacture mill motion nobody old paper power rainbow rapids red river september sky speed splash spray storm stream sunny upm vintage water waterfall wave