yes, and even created, and under belaruskali, but a whole museum where you can see all these exhibitss not just our mine. this is just a shaft, which someone just took and did like this, yes, this is a special air supply system. yes, and air is supplied through a special system of labyrinths made of rocks. yes, and with a length of 2.5 km, the air passes very slowly. it is cleaned, here is the dust. allergen samples, yes, it ionizes, yes, and it has hints and sodium. yes, we are hearing by you, how easy. we are here to breathe and the concentration of potassium salts. here , it significantly exceeds that in ordinary atmospheric air, and this is the therapeutic effect. mines yes mines also have anti-allergic, antimicrobial and anti- inflammatory effects. plus , there is also a psychological effect in the mine. yes. and we went down with you, we are cut off from the outside world, we are not affected, nor by electromagnetic fields, they are solar energies. yes, and we are 420 meters underground. this is not the lowest level. uh, where there are people below the lowest level, it's 840m,