MANILA, Philippines (Reuters) — Polluted river water became fresh inspiration for a team of Filipino artists who have made watercolor paintings using dirty water pigments. As part of a social awareness project by advertising agency TBWA\Santiago Mangada Puno, nine artists were commissioned to paint images using pigments taken from six contaminated rivers in the Philippine capital. Sediments were extracted from the river water to produce dark, earthy pigments that were sterilized to avoid bacterial contamination. […]