So apparently these are the renderings for the Indonesia circuit... Seems to fit my theory of the track being a hybrid of a purpose built race track and a street circuit

https://twitter.com/elenaisardo/status/1099310108490764291https://twitter.com/elenaisardo/status/1099310108490764291 https://pbs.twimg.com/media/D0GIrpcW0AUsewP.jpg:small