id	keyword
bibechana-29906	aod
bibechana-29906	aerosol
bibechana-29906	pokhara
bibechana-29906	variation
bibechana-29906	water
bibechana-29906	lumbini
bibechana-29906	wavelength
bibechana-29906	year
bibechana-29906	nepal
bibechana-29906	summer
bibechana-29906	correlation