Mask on display in Montréal for the Museum of Anthropology's Northwest Coast exhibit for "Man and His World".

Masks on display in Montréal for the Museum of Anthropology's Northwest Coast exhibit for "Man and His World".

Masks on display in Montréal for the Museum of Anthropology's Northwest Coast exhibit for "Man and His World".

Mask on display in Montréal for the Museum of Anthropology's Northwest Coast exhibit for "Man and His World".

Masks on display in Montréal for the Museum of Anthropology's Northwest Coast exhibit for "Man and His World".

Visitors admire masks on display in Montréal for the Museum of Anthropology's Northwest coast exhibit for "Man and His World".

Masks on display in Montréal for the Museum of Anthropology's Northwest Coast exhibit for "Man and His World".

Transformation mask on display in Montréal for the Museum of Anthropology's Northwest Coast exhibit for "Man and His World".

Masks on display in Montréal for the Museum of Anthropology's Northwest Coast exhibit for "Man and His World".

Masks on display in Montréal for the Museum of Anthropology's Northwest Coast exhibit for "Man and His World".

Mask on display in Montréal for the Museum of Anthropology's Northwest Coast exhibit for "Man and His World".

Mask on display in Montréal for the Museum of Anthropology's Northwest Coast exhibit for "Man and His World".

Mask on display in Montréal for the Museum of Anthropology's Northwest Coast exhibit for "Man and His World".

A headdress and a mask on display in Montréal for the Museum of Anthropology's Northwest Coast exhibit for "Man and His World".

Mask on display in Montréal for the Museum of Anthropology's Northwest Coast exhibit for "Man and His World".

Masks on display in Montréal for the Museum of Anthropology's Northwest Coast exhibit for "Man and His World".

Mask on display in Montréal for the Museum of Anthropology's Northwest Coast exhibit for "Man and His World".

Mask on display in Montréal for the Museum of Anthropology's Northwest Coast exhibit for "Man and His World".