I was in a crowd of over 100,000 people - twice. It is VERY difficult not to get caught up in the persona of the crowd, but if you can manage it, if you can stay an individual, the energy is enormous. Don't stay too long though; it can change from a positive to a negative force in an instant.
While skin colour is a source of trouble across the planet, it is really just a function of 2 things - vitamin D & UV (ultra-violet) Where your predecessors are from determines what your skin colour is.
Lack of vit D brings some rather nasty things like rickets & can cause death, so the skin needs to get as much as it can. To do this, the skin needs to be clear, leading to the northern races having 'white' skin.
Too much UV brings some rather nasty things, like melanomas & other cancerous growths, so the skin needs to block as much as it can. To do this, the skin produces melanin, which gives the races from near the equator 'black' skin.
Around the equator there is no problem with enough vit D so the skin goes very dark to protect against the UV sleeting in straight down. In the extreme southern & northern regions, the sunlight is filtered by thickness of atmosphere & there is less fear of UV damage but also less vit D production so the skin goes clear to allow the maximum vit D.
It is a growing problem in our world where travel is so prevalent - dark-skinned people are moving to higher latitudes & the dark skin means they are unable to get enough vit D. Light-skinned people are moving into lower latitudes & suffering all kinds of skin & cancer problems.
One of the truisms against rascism is, if you start at the equator & walk north, there is no single point where you can point south & say 'they are black' & point north & say 'they are white.'
However, there is mystery here... Some racial types have moved out of their 'comfort zone' into areas hostile to their skin type, yet they still breed true to their roots. You might argue that they haven't been in those places long enough, but UV & lack of Vitamin D are extreme stressors & so far, they don't seem to be affecting things. And given the amount of moving around the races did over the past 100,000 years, if they could change from negro types to eskimo types, either there is something wrong with the model or there is some other factor in adaptation.
Sorry to ramble on... just it's an interesting subject.
Never doubt there is Truth, just doubt that you have it!
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