There is a letter, and a small sachet containing ear plugs, for guests at The Intercontinental in Shanghai
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/shaking-dust
[2] http://admin.indiaenvironmentportal.org.in/category/author/gurbir-singh
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-world-kolkata
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/china
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/population
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/lafarge-india
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cement-industry