id	keyword
grbs-16505	pytheas
grbs-16505	hecataeus
grbs-16505	greek
grbs-16505	north
grbs-16505	britain
grbs-16505	sun
grbs-16505	studies
grbs-16505	account
grbs-16505	hyperboreans
grbs-16505	bnj
grbs-16505	geography
grbs-16505	thule
grbs-16505	island
grbs-16505	movement
grbs-16505	bilić
grbs-16505	arctic