Answer:
What lies in a tunnel of darkness. That can only attack when pulled back?
What wears a coat in the winter and pants in the summer?
Power enough to smash ships and crush roofs. Yet it still must fear the sun.
Neither bought nor sold but more valuable than gold. It is built but not by hand. What is it?
What goes in the water red, and comes out black?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?