How we design and build a smart city and nation | Cheong Koon Hean | TEDxSingapore

Просмотров: 393,467 | Время: 16:02 | Голосов: +1 +1 | Скачать

Скачать клип How we design and build a smart city and nation | Cheong Koon Hean | TEDxSingapore