EULAC_6484 Image of the Stone Sphere with camera and tripod "An image of the Bola de peidra during the process of photogrammetry" This project has received funding from the European Union’s Horizon 2020 Research and innovation programme under grant agreement No 693669. Image University of St Andrews EULAC "An image of the Bola de peidra during the process of photogrammetry" Open Virtual Worlds Team University of St Andrews 9.0015485 -83.3259972