Susan L. Ziadeh, the US Ambassador to Qatar, yesterday received an in-depth briefing on construction progress at Msheireb Downtown Doha, the $5.5bn sustainable regeneration of the historical commercial centre of the Qatari capital. Ziadeh was received by Eng. Issa M. al -Mohannadi, the CEO of Msheireb Properties, at the floating Msheireb Enrichment Centre located on Doha’s West Bay waterfront. Eng. al- Mohannadi introduced the development’s pioneering contribution to urban development and invited the ambassador to inspect a detailed model of the project site.