The tourism industry requires to build 22,500 hotel rooms costing three trillion dong (USD 166 million) by 2015, he said. Most real-estate executives attending the seminar admitted that their efforts to mobilise capital have not been satisfactory so far. But they said the most urgent problem is that Vietnam lacks a legal framework for setting up channels to indirectly raise capital -- like the remortgage market, real-estate bonds, retirement funds, and real-estate credit funds, the most popular way to raise capital in developed markets.