Right now you are facing towards the wall turn around and move forward towards the pillar then turn right and climb up the steps then again turn right climb up the steps completely by moving forward. Now move towards the stair-case climb down the stair-case completely by moving forward. Then turn right and enter through the opened door keep moving in a forward direction now climb up the two steps which is in front of you. Now you can see another two steps at the slight left go and stand near the steps, you have reached your destination point.