Besides that there are many more electric vehicles here, hence considerably less noise, than where I spent the previous fifteen years, I am also noticing other differences.

What does it mean when you’re walking on the pavement and a car that approaches and passes on the other side honks and the driver holds up his index finger?

Is there any standard zebra etiquette? If so, does it involve that thank-you gesture that I’ve never mastered and seems to resemble the tipping of an imaginary hat or is that something that only men do?