Wine column: Developing a nose for aromatics

Sommeliers swirl and sniff to analyze wine. So what are sommeliers looking for when they dip their noses into the glass?
Firstly, they aim to identify intensity — light, medium or pronounced. Then, they search their minds for descriptors; generally, the more aromas given off by a wine, the better the quality. 
Try your luck at tasting blind, and have fun comparing wines from different climates, regions, and winemakers. Some grapes are so distinct they are easily recognizable from one