Completed the following sentence: In 2015 Milan hosted the
Universal Exposition; the themes were technology, innovation, culture and traditions concerning food. Participants in the Expo included 145 countries, three international organizations, several civil society organizations, several corporations and non-governmental organizations (NGOs) <unk> Participants in the Expo included 145 countries, three international organizations, several civil society organizations, several corporations and non-governmental organizations (NGOs). Participants were hosted inside individual or grouped pavilions. <unk> Participants were hosted inside individual or grouped pavilions. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️