Beograd, “Sveti Sava” high school, T. Miletić, 2014 (calculation and diagram by M. Tadić)
Fig. 1. Student Teodora Miletić getting ready for the installation
Fig. 2. Sundials on the school buildings all across Serbia: they were installed by the students of the Belgrade Faculty of Geography during the 2013/2014 school year; it was the part of their Mathematical Geography course