’Grumpy’ Joe Biden pictured in sea of dignitaries during Pope Francis’ mass

Maybe the sun was in his eyes. Maybe he smelled something bad. Maybe he was just tired of standing.

We’ll never know quite what U.S. Vice-President Joe Biden was thinking while he stood with other dignitaries in Rome Tuesday to hear Pope Francis give his inaugural mass, but we do have this funny photo of "Grumpy" Biden, which is currently being shared (and re-shared) on social media.