question - aligning tops?

[BillionShields]

I'm trying to align tops for box and a sphere. Anchor seems has no effect at all. How do I do that?

include <relativity.scad/relativity.scad>;
//
//%box(50, anchor=[0,0,-1])
// color("red") translate([0, 0, -30]) {
// align([0,0,1])
// %%sphere(d=60);
// }

%box(50, anchor=[0,0,-1])
color("red") 
  align([0,0,1])
%%sphere(d=60, anchor=[0,0,1]);