The Machine Gun Bunker of Calarreona it is located in Águilas (Murcia, Spain). Its design and construction is part of the Spanish Civil War (1936-1939), possibly built in 1937 or 1938, forming part of the Republic Coast Defense Plan.
The bunker is essentially built in concrete. It conserves its lateral entrance. Inside, the bunker allows the placement of two heavy machines gun. It also has two small spaces for storage of supplies and ammunition.
This model was created from 1903 images taken from a DJI Phantom 4 Pro Plus drone. The images were aligned, and the model was generated and textured in Reality Capture.