EXPO 2017

Visitors pay attention to the powerless water pump using the estafet technique of the State SMA students 2 Balikpapan during the exhibition of Indonesia Science Expo 2017, in Jakarta, Monday (23/10). The exhibition that features the innovative works of the nation’s children lasts until October 26, 2017. ANTARA PHOTO/Akbar Nugroho Gumay/kye/17

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