Aerial birdseye view of abandoned seaside fortification buildings at Karosta Northern Forts on the beach of Baltic sea , overcast winter day, drone shot moving forward slow

drone view sea aerial view seascape aerial coast seashore coastal seaside beach water background overcast concrete stone fortification remains nature structure movement landscape fortress defense horizon tourism old scenic liepaja travel beautiful landmark construction abandoned baltic exposure latvia karosta architecture winter buildings sky building military destroyed army outdoor city history golf