Mdm Adibah wanted us to search how the ancient people put the last brick on the pyramid which is about 145metres tall.. I had search for a long time and had come out with a conclusion.
Conclusion: The ancient people build the foundations and then build ramps. So that it would be easier to walk up and put the brick up. :D
But there are actually a lot of theories for this questions. One of the most outrageous theories it that aliens built the pyramids. Fortunately people have proof that the Ancient Egyptians built the pyramids. (Not many people will believe that aliens would built the pyramids for human beings)
Below are some ideas found in the internet about how were the pyramids built:

I found them all interesting, the ancient people were genius too. They had lots of ideas on how to put the last brick.. ((: