The Danube River flowing through the Kazan Gorge in the Iron Gates Region between Serbia and Romania, Europe

beauty in nature blue sky blurred motion cliff color image copy space danube river day environment europe flowing fog hillside horizontal iron gates kazan gorge landscape motion mountainside nature nobody ocean outdoors photography region romania rugged scenic view sea serbia sunny travel travel destinations water color colour daytime european flow hill mist montenegro movement negative space outside podgorica romanian scenic sky south east europe southern european sunshine tough view white space