The summer wildfire season is underway for the Northern Hemisphere, and already fires are burning in Canada, Europe and several U.S. states including Alaska. Wildland firefighting has changed a lot over the past few decades; it's grown more sophisticated as fire seasons have grown longer.
Copyright © 2018 CGTN. Beijing ICP prepared NO.16065310-3
Copyright © 2018 CGTN. Beijing ICP prepared NO.16065310-3