This & That, Ceci et Cela

"Whole districts are being flattened, with former residents literally scraping a living - scavenging for building materials to clean up and sell on.  Chongqing today  is a huge, messy building site - clearly a project in its early stages of construction as it vies for investment" (BBC).

A very interesting issue; Should EU migrant workers (e.g. East European labour which costs a quarter of West European wages) be paid according to the wages and conditions of their home countries or the countries where they do the job? (IHT) Interesting issue. Any bright ideas?