I knew we had re-entered civilization when we landed at the Cairo airport and promptly spent $30 on breakfast.
But aside from sticker shock and disappearing luggage, I have to say that it's a complete pleasure to be back in the first world.
We flew almost directly north from Johannesburg (according to the in-flight map, we actually flew right over Chipata!) and even though we traveled for 24 hours, we didn't change a single time zone. But we left behind blistering equatorial weather and the worst mosquitos in 27 months, landing instead in gorgeous, cool spring weather with blooming daffodils and sunlight until past 9 pm! Plus sidewalk cafes, jazz on the radio, free high-speed internet, coffee on every corner, and people who mistake us for locals.