In the next area, you will notice that there is a gap and you cannot cross. Head to the elevated area to your left and flip the lever to make the bridge rise. Cross the now-risen bridge and obtain the Quartz on the pot to your left. Followed by another semi-hidden pot containing another part of the Gilded Skull.
Continue on and you will come across your first puzzle. Flip the lever to your right to make the bridge switch places. and switch the lever across the gap to bring the next bridge up. Head back and hit the first lever to make the yellow platform switch back and allow you to cross. Head over to the last lever to successfully clear this section.