Find 4 images of international houses or buildings that represent styles from the 12th Century (1101) to the present day, and 1 image of a 21st century environmentally friendly home or building. So, a total of 5 images. Your main objective is to develop an understanding of the different design periods that have iluenced the architecture that followed. You need to identify the historical influences. For example, a Neoclassical building might have Ancient Greek features such as columns and triangular pediment; an Art Deco building might have Ancient Egyptian influences in the use of motifs; a Georgian building might have Renaissance influences in the use of symmetry, etc. Then, you need to identify the characteristic features (exterior only) that are evident in these images. These are the features that are typical to that specific style. For example, a Gothic Cathedral: rose window with tracery, a spire with finial, stained glass windows; flying buttresses etc. Please make sure your images are clear and the features you mention can be seen. You can list your observations in paragraph or point form.