DTI: Stronger ties with Spain will boost PH economy In observance of the 13th Philippine - Spanish Friendship Day and the 116th anniversary of the historic Siege of Baler, his Excellency Luis Antonio Castano Calvo, Ambassador to Spain, and Department of Trade and Industry Undersecretary Adrian S. Cristobal Jr. lead the wreath laying ceremonies held recently at San Luis Obispo de Tolosa Church in Baler, Aurora. (DTI-PRU)