These are just spotted over on Facebook.
via the Age of Sigmar Facebook
https://www.facebook.com/GWWarhammerAgeofSigmar
Striking out from the Titanspear Mountains in Aqshy, the armies of Tempest's Eye are blisteringly fast, using superior preparation to best their foes in battle.
See more on the Cities of Sigmar here
http://natfka.blogspot.com/2019/09/cities-of-sigmar-preview.html