UnchartedX on MSNOpinion
The more you study these walls, the less human they seem
The video examines the astonishing polygonal stone walls of ancient Peru, focusing on their impossible joins, scoop marks, ...
Question: We built a house and took possession of it in December 2018. Is it normal to get bad spalling on the concrete driveway this early? We have only lived here for 18 months. We talked to the ...
Q: You have written about spalling or flaking bricks and why they’re that way. You said a cap of stone, wood or metal is needed to keep rain and snow out. Would you please explain what kind of cap you ...
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