Sir, you said thickness of the crust is more near equator and thinner near poles, but in the next two diagrams of ascending convective current and descending convective currernt, the thickness of the crust in the descending current is more. It is very confusing, can you please explain it.
Apart from the "legend" about being pool of the enlightened ones...there is a geological structure inside in which Sulphur containing hot water spring is embedded...hence it keeps the water warmer than outside...also its good for hot bath and has many health benefits.