A great photo straight from Walt Disney Imagineering showing a scale model of part of the upcoming Frozen themed-land (likely called "Arendelle: World of Frozen") plus an overhead layout in the background, elevation illustrations, and more:
It wouldn't be a Hong Kong Disneyland construction update without some new photos of Castle of Magical Dreams:
Sources: https://sites.disney.com/waltdisneyimagineering/our-process/ and https://twitter.com/wonderland912/status/1194167510695731200 and https://twitter.com/wonderland912/status/1194167770079907840 and https://twitter.com/wonderland912/status/1194168220137095174 and https://twitter.com/wonderland912/status/1194168907814170624 and https://twitter.com/wonderland912/status/1194169003477856256