Lebanon’s capital, Beirut, is the 10th most expensive rental city in the world for expatriate housing in 2010, compared with its rank of 28 last year, Byblos Bank SAL said. The city is ahead of Paris, Abu Dhabi, Amsterdam, Geneva and Rio de Janeiro and behind Singapore, Osaka, New York City, Moscow, Hong Kong and London, the bank said in an e-mailed report, citing a survey by EuroCost International. Houses are too expensive to buy,…