Five years on from Rana Plaza collapse: What has changed?

A new survey says that five years after a garment factory collapse in Bangladesh killed 1,134 people and left thousands injured , some things have changed for the better for the workers, but much remains to be done.The survey by the Center for Business and Human Rights at New York University's Stern School of Business, has found that the largest factories have complied with new safety standards, but thousands of smaller factories have not.