Great Barrington Libraries will be hosting two free virtual events via Zoom this week. "Crystal Products of the Frost King: Ice Harvesting and the Natural Ice Industry in New England" will be presented from 7 to 8:30 p.m. Thursday, Jan 21. Dennis D. Picard, a museum professional in the living history field for 40 years, will discuss the vanished occupation of ice harvesting and will include information about its economic impact and the tools and techniques for cutting, saving and shipping New Englandâs frozen "treasure." "Drawing and Sketching Birds" will be led by Barry W. Van Dusen, an internationally recognized wildlife artist living in central Massachusetts, from 10:30 a.m. to 12:30 p.m. Saturday, Jan 23.