Twilight serenity over a coastal landscape, Mountain silhouette against a pastel sky

twilight serenity coastal landscape mountain silhouette pastel sky dusk nature scenic tranquility evening waterscape vista panoramic view horizon natural light color gradient sky calm peaceful foliage trees outdoor travel tourism destination beauty serene reflective sunset ambient coastal town waterfront holiday vacation relaxation idyllic picturesque ambient light coastal vegetation scenic view nature photography environmental ecotourism pastel colors coastal scene evening sky