22 January 2020 - Videoconference between the French and the Romanian students. Research topics discussed:

6. Les tours d'Hanoï dans tous leurs états

7. Construction d'un solide à 5 faces (the RO students presented their work to the French teacher)

The report of the videoconference is available at http://www.lyc-valdedurance.ac-aix-marseille.fr/spip/spip.php?article2695