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In pictures: Cutting-edge innovations for smart cities

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This week, Singapore hosted the Smart Nation Innovations conference, where businesses leaders, tech entrepreneurs and academics convened to debate and discuss how to tackle urban challenges from traffic congestion to coping with an ageing population.

Technology, of course, was at the epicenter of many of the solutions, in particular the use of sensors and big data analytics.

Singapore, which strives to become the world's first "smart nation" within the next decade, has become somewhat of a breeding ground for high-tech innovations aimed at making cities smarter.

From a 3D-printed solar-powered car to an autonomous kayak used to assess water quality, startups in the city-state are pushing the envelope with new technologies to make city living more efficient and sustainable.

Click ahead to view the latest technologies that will help shape the city of tomorrow:

Nutthavood Punpeng | Moment | Getty Images