Towards the Sun

You are now in the main hall of the National Museum in Beirut. A guard reminds you that you are encouraged to touch the archeological objects. A voice in your headset suggests that you lick the stone. You are now facing a hole in the wall on the lower left corner of a mosaic. The voice in your headset indicates that it was made by a sniper. Out of curiosity, you dial 1-9-9-1 to listen to the rest of the story.