Aerial view of Bangladesh, Barisal city with the Kirtankhola River in the background and cargo ships on the water

barisal kirtankhola river aerial view cityscape bangladesh urbanization cargo ships river waterway landscape buildings greenery agriculture rural urban scenic nature horizon shipping transportation infrastructure skyline residential architecture lush countryside waterfront development city town community houses neighborhoods fields water boating trade economy asia environmental picturesque peaceful tranquility regional southeast asia city planning land grow growing city