Others regard Leeds, with its strong financial sector and service industries, as almost as alien as London.

ECONOMIST: The North-East

This free-for-all is almost as alien to the better educated, more law-abiding, Sunni citizens of Taiz, the most urbanised region in the north, or Hodeida, its main port, as it is to the southerners.

ECONOMIST: Yemen

In it, he claimed that intelligent alien life almost certainly exists and that the search for it is valuable.

CNN: Should we fear space aliens?