This segment of the Berlin Wall is made of real concrete and even has graffiti painted on it. The student who made this is doing his research paper on the ways which people escaped over, under, or through the Berlin Wall.
If a student chooses to make a building, it is suggested that it have at least three period-correct items inside it. This student researched the Mound Builders, and these three things were indeed found inside some mounds.
The student who made this project is researching the history and escapes from Alcatraz Prison for his research paper.
If you are interested in a pdf. file or slide show of over 100 interesting history project or research paper topics to show to your students, email me at little flock7 at gmail.com and I will gladly share them with you.