Vietnamese politicians have announced the start of a $4.2bn smart city project in Hanoi’s Dong Anh district, in partnership with Sumitomo and BRG Group. Japanese politicians were in attendance at the international relations gig, where the Sumitomo conglomerate broke bread with BRG – one of the largest hotel and golf resort developers in the country. From a smart city perspective, it is important to note that this is not a $4.2bn contract for smart city technologies. No; a lot of new construction is going to be involved here, with the centerpiece being a 108-storey tower that is intended to serve as the heart of a new financial hub – not just for Vietnam, but hopefully for South East Asia. The…