During the time I was delivering weed, the meet places aren't really shady, except for one or two occasions.
Outside of government buildings, hospitals, busy streets. Supermarkets, etc.
The shadiest places are just inside bushes or under the bridge.
Bad way of increasing vocabulary: read wiki pages.
To prepare for my Ielts test, along with learning the gists, I set myself to read a wiki page per day, randomised. The Roman Empire was the one that broke me.