Hungarian President Janos Ader delivers the opening speech at the opening ceremony of Planet Budapest 2021 Sustainability Expo and Summit held in Budapest, Hungary on Nov. 30, 2021. Close to 200 exhibitors take part in the Planet Budapest 2021 Sustainability Expo and Summit. Their goal is to show what progress has been made in Central Europe in areas such as agriculture, waste management, smart cities, energy, and transport. (Photo by Attila Volgyi/Xinhua)
A man with VR goggles plays a game at the exhibition of Planet Budapest 2021 Sustainability Expo and Summit held in Budapest, Hungary on Nov. 30, 2021. Close to 200 exhibitors take part in the Planet Budapest 2021 Sustainability Expo and Summit. Their goal is to show what progress has been made in Central Europe in areas such as agriculture, waste management, smart cities, energy, and transport. (Photo by Attila Volgyi/Xinhua)
Strawberries are seen in a vertical garden installation at the exhibition of Planet Budapest 2021 Sustainability Expo and Summit held in Budapest, Hungary on Nov. 30, 2021. Close to 200 exhibitors take part in the Planet Budapest 2021 Sustainability Expo and Summit. Their goal is to show what progress has been made in Central Europe in areas such as agriculture, waste management, smart cities, energy, and transport. (Photo by Attila Volgyi/Xinhua)
Polish President Andrzej Duda delivers a speech at the opening ceremony of Planet Budapest 2021 Sustainability Expo and Summit held in Budapest, Hungary on Nov. 30, 2021. Close to 200 exhibitors take part in the Planet Budapest 2021 Sustainability Expo and Summit. Their goal is to show what progress has been made in Central Europe in areas such as agriculture, waste management, smart cities, energy, and transport. (Photo by Attila Volgyi/Xinhua)
Vegetables are seen in a vertical garden installation at the exhibition of Planet Budapest 2021 Sustainability Expo and Summit held in Budapest, Hungary on Nov. 30, 2021. Close to 200 exhibitors take part in the Planet Budapest 2021 Sustainability Expo and Summit. Their goal is to show what progress has been made in Central Europe in areas such as agriculture, waste management, smart cities, energy, and transport. (Photo by Attila Volgyi/Xinhua)
A deer sculpture made of reused materials is seen at the exhibition of Planet Budapest 2021 Sustainability Expo and Summit held in Budapest, Hungary on Nov. 30, 2021. Close to 200 exhibitors take part in the Planet Budapest 2021 Sustainability Expo and Summit. Their goal is to show what progress has been made in Central Europe in areas such as agriculture, waste management, smart cities, energy, and transport. (Photo by Attila Volgyi/Xinhua)
