open, so enter the wooden door.
search the floor of the flooded room carefully and you will find your first loot: a necklace (100;100;0) lying under water. look up and locate the switch on the wall. flip it and you hear the sound of metal moving. leave the room and turn right — the metal gate is now opened.
pass through the metal gate and climb the ladder on the far side. do a running jump to grab the ladder (not easy), and climb up. open the sewer cover. you find yourself behind the drunken guard!
pick the key on his belt. turn around and use the key on the door of the 