Colorful sunset and its reflection over a river with the silhouette of buildings.. Original public domain image from… https://www.rawpixel.com/image/3289089/free-photo-image-architecture-building-cc0Free Image from public domain licenseHvide Sande. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3295315/free-photo-image-architecture-beach-images-pictures-best-stoneFree Image from public domain license