AN ORDINANCE AUTHORIZING HIS HONOR, THE MAYOR TO LEASE THAT PORTION OF THE LAND WHICH IS THE PATRIMONIAL PROPERTY OF THE CITY BOUNDED BY ADRIATICO, VITO CRUZ, A. MABINI STREETS AND THE MANILA ZOO TO THE TOURIST TRADE AND TRAVEL CORPORATION FOR RECREATIONAL PURPOSES AND FOR THE PROMOTION OF TOURISM, FOR A PERIOD OF TWENTY (20) YEARS; AND FOR OTHER PURPOSES.