So what happens when these two worlds collide?
The Sun
Worlds collide in this low-budget sci-fi puzzle, the gimmick being that those worlds are remarkably similar.
Times, Sunday Times
Two worlds have definitely collided and when two worlds collide, things happen.
Times, Sunday Times
And when the two worlds collide, things can get terrifically awkward.
Times,Sunday Times
As their worlds collide the allegories about intolerance come thick and fast.
Times, Sunday Times