During summers in india, one of the common practice to keep cool is to make ice balls of crushed ice, dip it in flavoured suger syrup and sip it. For this a stick is inserted into crushed ice and is squeezed in the palm to make it into the ball. Equivalently in winter in thouse ares where it snows, people make snow balls and throw around. Explain the formation of ball out of crushed ise or snow in the light of P - T diagram of water.