>> 3 ways move around in level

1 Press the keys on the keyboard: "W" - forward;
                                                      "S" - backward;
                                                      "A" - left;
                                                      "D" - right.


2 Use the mouse: right cilck to see around;
                             scroll up/down the middle button move forward/backward;
                             keep pressing the middle button move anywhere at same angle;
                             pressing both the right and the middle button to quick move forward/backward.


3 Type the specific coordinates data which about X,Y,Z at the bottom.