id	keyword
app01-9697	city
app01-9697	krakow
app01-9697	development
app01-9697	cities
app01-9697	area
app01-9697	space
app01-9697	data
app01-9697	poland
app01-9697	transport
app01-9697	spatial
app01-9697	green
app01-9697	years
app01-9697	people
app01-9697	centre
app01-9697	changes
app01-9697	study
app01-9697	residents
app01-9697	number
app01-9697	transformation
app01-9697	increase
app01-9697	tourism