Rudeness

Shutterstock.com/Nikonaft

Keep Your B.O. to Yourself, and Other Friendly Tips for Paris Metro Riders

Courtesy of a new book of drawings.

Reuters

In Terms of Political Protest, It Doesn't Get Much Ruder Than a Big Middle Finger

Czech artist David Cerny erected this massive one-fingered salute in front of his country's presidential palace.

Zdenko Zivkovic

A New Ad Campaign Asks Parisians to Be Nice to Tourists

And illuminates some national stereotypes in the process.