How many triangles are there on the puzzle below?

Can you solve the below geography rebus by decoding the below rebus ?

What goes up but never comes down?

What do you call a fish without an eye?

Can you Find and name the hidden bird in the picture below ?

I have an eye but still cannot see.

Who am I?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

A man was gazing through the window of the 23rd floor of the building. He suddenly opened the window and jumped on the other side of the window. On landing on the floor, there was not a sheer mark of injury on him.

How can that be possible if he did not use any kind of parachute and did not land on a soft surface?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

What is the word or phrase?