Jesus challenged ethnic segregation in the Temple, and also promised coming judgment. I discuss this in a 4-minute video:
https://www.youtube.com/watch?v=Gmk10JZANyU
Earlier short videos include:
The meaning of the tabernacle in the Old Testament: https://www.youtube.com/watch?v=rkqIQclvwTI
The new temple in Paul: https://www.youtube.com/watch?v=rpfVbCo955g