I’d like to analyse and achieve effects similar to this gentleman starting from 5 m 29 s:
Well I can make the sky more cyan and less saturated, in another post Boris also answered me how to achieve something – I think – I see here done with the reds, but there is something more with this look.
Pictures in the video are not over saturated nor underexposed, yet they are – I don’t know 
– deep? Rich?