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We develop the general laws of the theory of the almost empty anchoredmagnetic flux tubes (MFT) with B~10^7G, starting from tachocline to the surfaceof the Sun. The main result of this theory is the formation of the solar axionsand the magnetic O-loop inside the MFT near the tachocline. In this magneticO-loop (based on the Kolmogorov turbulent cascade) the axions are converted tophotons, producing the axion origin photons near the tachocline. On the otherhand, high-energy photons from the radiation zone through the axion-photonoscillations in the O-loop produce the axions of photon origin under thesunspot. This means that at such strong magnetic fields the Parker-Biermanncooling effect of MFT develops due to the "disappearance" of the Parker'sconvective heat transport, and consequently, the temperature in the lower partof the magnetic tube with the help of the axions of photonic origin near thetachocline. As a result, a free path for photons of axion origin opens from thetachocline to the photosphere!  We show that the high-energy photons passing from the radiation zone turninto axions, which almost completely eliminates the radiation heating of thealmost empty MFT. A certain flux of photons coming from the radiation zonethrough the tachocline, passes through the "ring" of a strong magnetic tube byvirtue of convective heating. It allows to determine the velocity and thelifetime of the MFT before the reconnection, from tachocline to the surface ofthe Sun, as well as the rate of the MFT reconnection near the tachocline.  Finally, we show that the formation of sunspot cycles is is the manifestationof dark matter -- solar axions in the core of the Sun, whose modulations arecontrolled by the 11-year modulation of asymmetric dark matter density in thesolar interior.

Theory of magnetic flux tubes in strong fields and the phenomenon of dark matter axions identical to solar axions