a watercolor of a swampy river valley at sunset with a river and a riverboat with a red sail

vehicle painting boat watercraft ship sailboat sail mast sketch drawing art sea schooner poster galleon watercolor swampy river valley sunset riverboat red windmills horizon ship river red boats swamp windmill blue traditional mountains morning east asian asia landscape nature bay ocean sea fisher sailboat sailing junk chinese china water boat beach sky island lake mountain travel summer coast thailand clouds rock scenic beautiful tourism view scenery outdoor background reflection village sun sunrise river boat