Trees Becoming planted as the city is built to be sustainable. The Ministry of General public Will work and General public Housing arranged a cash town style and design contest in late 2019. The winner, Nagara Rimba Nusa ('Forest Archipelagic Region')[48] by City+ was formally announced on 23 December 2019. https://www.propanraya.com/cat-propan-mempercantik-kantor-presiden-dan-istana-negara-di-ikn-ibu-kota-baru-indonesia