Children shower with foam during the Lubluban Festival in Marikina City, the Philippines, May 4, 2019. The Lubluban (meaning "dipping in water") Festival is organized by the local government to cool down the residents during the summer season through pool parties and musical performances. (Xinhua/Rouelle Umali)

A boy jumps into a portable pool during the Lubluban Festival in Marikina City, the Philippines, May 4, 2019. The Lubluban (meaning "dipping in water") Festival is organized by the local government to cool down the residents during the summer season through pool parties and musical performances. (Xinhua/Rouelle Umali)

A girl plays with a toy water gun in a portable pool during the Lubluban Festival in Marikina City, the Philippines, May 4, 2019. The Lubluban (meaning "dipping in water") Festival is organized by the local government to cool down the residents during the summer season through pool parties and musical performances. (Xinhua/Rouelle Umali)

People are showered with foam during the Lubluban Festival in Marikina City, the Philippines, May 4, 2019. The Lubluban (meaning "dipping in water") Festival is organized by the local government to cool down the residents during the summer season through pool parties and musical performances. (Xinhua/Rouelle Umali)

Children shower with foam during the Lubluban Festival in Marikina City, the Philippines, May 4, 2019. The Lubluban (meaning "dipping in water") Festival is organized by the local government to cool down the residents during the summer season through pool parties and musical performances. (Xinhua/Rouelle Umali)

A boy peeks over the edge of a portable pool during the Lubluban Festival in Marikina City, the Philippines, May 4, 2019. The Lubluban (meaning "dipping in water") Festival is organized by the local government to cool down the residents during the summer season through pool parties and musical performances. (Xinhua/Rouelle Umali)