A public solar mobile phone charger, dubbed the "Strawberry Tree", won a group of Belgrade students first prize at a renewable energy sources competition organised by the European Commission (EC) in Brussels.
Javni solarni punjač za mobilne telefone, pod nazivom „Strawberry Tree“ doneo je grupi beogradskih studenata prvu nagradu na takmičenju u obnovljivim izvorima energije koje je organizovala Evropska komisija (EK) u Briselu.