Construction on the lunar surface
Astronauts (as shown by recordings) were surprised paintings he had seen on the Moon, especially the more or less obvious buildings. They used the code of tin ("Barbara" and "Annabelle") for these abnormal phenomena. They talked about the tops, which give the exact form of the parallel track, leading directly to the seemingly built, the walls, and so on. There are parallel to the wall with an arch between them, and on top of the arch the sun shines. On the wall in exactly symmetrical spots - knots or marks. Each node is located on the same line with the inner line two walls, at the same distance from the corner with the same size of the shadow. Want a different design called the "shining alabaster cities". This magnificent dome shape on top of the architectural design! platform, which was done masterfully. There are pictures of this place from different perspectives. This is one of the most interesting areas on the Moon with dozens of mountain ranges surrounding the elongated valley with many buildings.
The dome in relief with one only shows the edge of the foundation. Another figure may be confused, because the dome is merged with the white surface of the platform. This second picture was taken the spacecraft as it flew closer to the dome. ("The Dome" - is not what is usually understood to astronomers. It may be swelling of volcanic origin or the result of other stresses acting on the lunar crust. They are generally low, there are chaotic and have a top of a small crater.) Example of another building overtakes its creators in the middle of their work. The entire Moon has coverage of any kind. Clearly visible ribbed markings, and the place where the taut covering material (similar to the stretched awning) illuminated by the sun.
There are five parallel "edges" (about 7 miles long from end to end), rising at an angle, probably about 30 °, then sank to about one point, then going horizontally to the equivalent distance. What made this cover? It (including for unshielded sunlight) should be impervious to hazardous radiation and for getting small meteorites. Maybe this is the first layer of protection in the system provided for concealment or protection of underground utilities? But none of us was not there, and guesses can be built as they want.