Based on the context and the answer, generate a question. 

Context: I think it was a safe city , because about half the people in the streets were from military police . The very first morning , a four star bus was waiting to take us to the pyramids . When we reached the pyramid , we felt very tired because of the travel . But after seeing the pyramid , our tiredness have all gone away and became fresh . The pyramids are really impressive on the outside . Well , you can visit them inside also .

Answer:

None of the above choices .



Why did the police being there make the place a safe city ?