In the famous castle of Ambras, a favorite residence there is the armour of a legendary tall man - he was over 220 cm, 7'2'' at least...
IMHO there is a strong genetic influence. Certain groups of people have had ancestors which were fed well and gained from their height, thus adapting to their environment. Add that to a good protein-rich diet and you get taller people.
A sidenote about the big Frankish Knights - it was just part of the european population at that time and got compared to all the population living in the middle east...
In any case I felt like a giant while travelling for some months in India. Note that I'm short of 190 (6'2'') so I'm not exactly small but Indians really are, expect the Sikh.
Cheers
OA
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