Workers check the tie of dozens of plastic tubes if it is tight. The tubes will be brought up atop a high constructed building in Claveria Street in Davao City. (Ace R. Morandante/davaotoday.com)
Workers check the tie of dozens of plastic tubes if it is tight. The tubes will be brought up atop a high constructed building in Claveria Street in Davao City. (Ace R. Morandante/davaotoday.com)
