A man standing in Canada leans across the U.S.-Canada border to give a treat to a dog on the U.S. side after Canada opened the border to vaccinated Americans in Blaine, Washington, U.S., August 9, 2021. REUTERS/David RyderPeople cross the U.S.-Canadian border after Canada opened the border to vaccinated Americans in Blaine, Washington, U.S., August 9, 2021. REUTERS/David RyderA member of the Canada Border Services Agency speaks with travelers crossing the U.S.-Canadian border after Canada opened the border to vaccinated Americans in Blaine, Washington, U.S., August 9, 2021. REUTERS/David RyderPeople cross the U.S.-Canadian border near a flag made of flowers after Canada opened the border to vaccinated Americans in Blaine, Washington, U.S., August 9, 2021. REUTERS/David RyderNancy Fisher-Allison reads a newspaper while waiting to cross the U.S.-Canadian border after Canada opened the border to vaccinated Americans in Blaine, Washington, U.S., August 9, 2021. REUTERS/David RyderPeople cross the U.S.-Canadian border after Canada opened the border to vaccinated Americans in Blaine, Washington, U.S., August 9, 2021. REUTERS/David RyderPeople cross the U.S.-Canadian border after Canada opened the border to vaccinated Americans in Blaine, Washington, U.S., August 9, 2021. REUTERS/David RyderA traveler stretches while waiting to cross the U.S.-Canadian border after Canada opened the border to vaccinated Americans in Blaine, Washington, U.S., August 9, 2021. REUTERS/David Ryder
