.

The changes of seasons are astronomical events when the sun is directly above:

• The Equator on march and september equinoxes
• The Tropic of Cancer on june solstice
• The Tropic of Capricorn on december solstice

11 eTwinning schools collaborated to those astronomical events with 14 American and Asian schools

| Lafrançaise | Montcuq | Aigio | Athens | Ilion | Busteni | Mărgineni | Úbeda | Bizerte | Irbid military school | Mohammedia |