id	keyword
23107	great
23107	sea
23107	land
23107	north
23107	coast
23107	world
23107	men
23107	river
23107	new
23107	way
23107	ships
23107	island
23107	day
23107	days
23107	south
23107	country
23107	king
23107	ice
23107	years
23107	west
23107	miles
23107	expedition
23107	illustration
23107	voyage
23107	time
23107	map
23107	east
23107	cape
23107	left
23107	home
23107	ocean
23107	man
23107	lake
23107	discovery
23107	journey
23107	away
23107	water
23107	months
23107	white
23107	bay
23107	unknown
23107	winter
23107	round
23107	people
23107	end
23107	livingstone
23107	africa
23107	seas
23107	explorer
23107	gold
23107	captain
23107	england
23107	party
23107	shores
23107	passage
23107	natives
23107	snow
23107	good
23107	set
23107	city
23107	high
23107	english
23107	franklin
23107	sail
23107	lay
23107	pole
23107	cook
23107	india
23107	century
23107	nile
23107	sun
23107	columbus
23107	account
23107	strait
23107	near
23107	earth
23107	america
23107	wind
23107	food
23107	john
23107	point
23107	sir
23107	return
23107	boat
23107	place
23107	night
23107	chapter
23107	feet
23107	northern
23107	china
23107	spain
23107	story
23107	reach
23107	exploration
23107	black
23107	saw
23107	ross
23107	portuguese
23107	board