3. Rama Empire of India – Rama Empire of India is known to be very old in such a way that they it was build in the year 500 BC. The place that this civilization building is in a place that is very concentrated wall. The place is also seen to very green in such a way that many people are willing to visit this place. The main reason this houses are strong is simply because the desert place are always very windy and for that reason they can easily get destroyed because they are weak. These houses were made in such a way that they are very strong.