Earth’s circumference measurements taken in Bibliotheca Alexandrina, on June solstice
in governorates all over Egypt and  measurements taken all around the world.

2018 Album :

https://www.bibalex.org/psc/en/home/PhotoGallery.aspx?lang=en&i=437

Participation of 11 eTwinning schools:

| Aigio | Băicoi | Busteni | Cernay | Ilion 11 | Lafrançaise | Margineni | Medvode | Oradea | Petroupoli | Piraeus | Pogana | Úbeda |

Video shot by our colleague Amr, concluding the event and measurements in Aswan.  (Thanks to Zeinab Ahmed from the Bibliotheca Alexandrina (BA) Planetarium Science Center (PSC), for sharing)