I suggest you take heed of the following video made available by Transport Canada (posted previously but worth repeating). I know of one drone operator who crashed his drone being unaware of the hazards of operating around tall buildings...
We get pretty cold temperatures in Montreal throughout Jan and Feb. Rotor blade icing is not likely to be a problem outside the range +2 to -20c (36 to 0 F). As akdrone says time of flight can be dramatically reduced. Biggest problem I’ve had was...
Hu Ralph
You are correct but as you can see, I had no wiggle room in the shot to move the drone due to dense canopy of trees, and power lines. Time lapse and hyperlapse has be a hobby of mine since 2015 and I do many time lapses with my Nikon...