Any one done some research on the above from a non JW view:
Some points of view suggest that at some point all the barriers that prohibit movement between the physical world and the spritual will be removed and that glorified bodies will allow us to materialize and dematerialize at will and to transfer as it were between the various dimensions that exist in our universe and beyond, and in this sense "God brings together all things in Christ, both things on the earth and things in the heavens" and also in this sense New Jerusalem comes down from heaven and God himself resides with them".
And so in this way also will those who dwell in the heavens enjoy access to the physical world in order to enjoy the whole of creation including the animal world.
Any other points view ??