Riley, a 12 week-old Weimaraner puppy being trained as a working scent dog, is introduced to reporters...
Riley, a 12 week-old Weimaraner puppy being trained as a working scent dog to detect pests that could damage artworks, is introduced to reporters at the Museum of Fine Arts, Boston, in Boston, Massachusetts, U.S., January 10, 2018. REUTERS/Brian Snyder