As we know, the next America's Cup will be held in Auckland, New Zealand in 2021. The defending team, Emirates Team New Zealand, recently released more details on the 75' monohull concept boat for the next match. While we've seen foiling monohulls before, the scale and design of these are worth checking out.
Press release from ETNZ: http://etnz.qiupreview.com/en/news/262_THE-AMERICA-S-CUP-CLASS-AC75-BOAT-CONCEPT-REVEALED.html
Video only: https://youtu.be/rx2qG_YMrDs