id	keyword
crl-14211	library
crl-14211	underground
crl-14211	building
crl-14211	university
crl-14211	space
crl-14211	level
crl-14211	libraries
crl-14211	grade
crl-14211	light
crl-14211	new
crl-14211	structure
crl-14211	entrance
crl-14211	college
crl-14211	reading
crl-14211	site
crl-14211	square
crl-14211	earth
crl-14211	feet
crl-14211	addition
crl-14211	harvard
crl-14211	research
crl-14211	architecture