It’s one of the world’s top tourist destinations, with more than a million scantily clad foreigners enjoying its glistening white beaches and crystal clear waters each year.Later this month, the Indian Ocean state of the Maldives – particularly popular with honeymooners – is scheduled to play host to a very different kind of visitor when King Salman bin Abdul Aziz of Saudi Arabia arrives for official talks and a holiday. Top of the agenda in talks with the government in Male, the Maldives small, cramped capital, is likely to be a $10bn Saudi investment project, believed to include the Saudi purchase or long-term lease of a string of 19 of the island state’s coral atolls.