What starts with T, ends with T, and has T in it?

I am the beginning of everything, the end of everywhere. I’m the beginning of eternity, the end of time and space. What am I?

In nature's theater, a violent ballet unfolds, with dancers crashing and booming on clouds' stage, leaving trails of electric whispers and watery applause.

Chic to seek, Thrifty gold, Treasured finds, Things of old

Tigers fold, And so do cranes, Plates and cups, Boats and planes