This report has been prepared by the GI Hub in collaboration with Turner & Townsend. The opinions, findings and recommendations contained are not necessarily the views of the G20 member countries, or of other countries that are donors of the GI Hub. The material contained in this publication is made available on the understanding that the GI Hub is not providing professional advice, and that users exercise their own skill and care with respect to its use, and seek independent advice if necessary. The GI Hub makes no representations or warranties as to the contents or accuracy of the information contained in this publication. To the extent permitted by law, the GI Hub disclaims liability to any person or organisation in respect of anything done, or omitted to be done, in reliance upon information contained in this publication.