Alexander Ludwig's armpits are so hot! I love him and I want to have sex with him. ;*
Girls show armpits for the same reason that boys show armpits - because it's hot out and they're trying to cool off. They sometimes raise their arms in excitement or while talking, just like boys. There's no real difference.
The plural of gallery is galleries. The plural possessive would be galleries'.
Art galleries and museums.
Why were whispering galleries built? and what are their sizes?
Our galleries are adorned with works of art
Swann Galleries was created in 1941.
Macquarie Galleries was created in 1925.
Thannhauser Galleries was created in 1909.
Kraushaar Galleries was created in 1885.
McManus Galleries was created in 1867.
Acquavella Galleries was created in 1921.