Were the microdermabrasion customers watching me from the other side of the mirrored glass.

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In downtown Port Huron, Michigan, on April 18th, 2015, outside the "Birmingham Cosmetic Surgery & Vein Center" at the northeast corner of Huron Avenue and McMorran Boulevard.

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Library of Congress classification ideas:
TP867 Transparent mirrors—Pictorial works.
GT3911.A2 Signs and signboards—United States—Pictorial works.
QC425 Reflection (Optics)—Pictorial works.
TT958.5 Face—Care and hygiene—Pictorial works.
TT958.5 Skin—Care and hygiene—Pictorial works.
RM722 Massage therapy—United States—Pictorial works.
RD119 Surgery, Plastic—Pictorial works.
F574.P8 Port Huron (Mich.)—Pictorial works.