1 картинка it´s modern because it´s a flat.
2 картинка it´s not modern because iy´s a castle (19 century)
3 картинка it´s not because it´s an Indian hut (but they still live there)
4 картинка it´s modern because it´s a skyscarper and it´s very popular to live in
5 картинка it´s modern because it´s a house in the village where many people live