Decode this picture on T-Shirt and tell what it says ?

Can you spot the man between the coffee bean in the picture below ?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

Different lights make me strange by changing me into different sizes. What am I?

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

In a secret society, a buried chamber can be accessed only via a secret password. The password is seven characters long and comprises of just letters and numbers.

You find a code that can help you in cracking the password. The code says "You force heaven to be empty".

Can you deduce the password from that?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

What does this rebus means ?

PROG WORKRESS

I have a head like a cat and feet like a cat, but I am not a cat. What am I?