I went back to visit this Burmese family on a hot day and several of the kids had this yellow paste on their heads and faces. When I asked what it was for they told me it was for keeping cool in the heat. It's some sort of yellow mud that they put on their bodies. I didn't notice it except on the kids where it seemed pretty well dried out. Then after I asked about it, they they gestured for me to wait and they went and got the baby of the family. I took this picture for them to go along with the ones of the older boys.