Peace Keepers - Cliff Town
Are you 367/400 gems in Cliff Town and looking for the remaining gems? Fear not, I shall guide you there! The first thing you will want to do is go up to the highest point in town near where we entered this zone. It's the same plateau where all the vultures are hanging out; also it's where I am standing in the screen shot above.
From this location you will want to glide behind the large building that we entered Cliff Town from. If you're confused on where to glide to or where to land use my screen shot above for some guidance - it should explain everything.