Is the glass half empty or half full?

{multithumb} ...
{multithumb} ...
{multithumb} ...
{multithumb} ...
{multithumb} ...
{multithumb} ...
{multithumb} ...
{multithumb} ...
{multithumb} ...
{multithumb} ...
{multithumb} ...
{multithumb} ...
{multithumb} ...
{multithumb} ...
{multithumb} ...
{multithumb} ...
{multithumb} ...
{multithumb} ...
{multithumb} ...
{multithumb} ...
{multithumb} ...
{multithumb} ...