This document discusses color permeable concrete pavement and trench covers that allow for water infiltration. It notes that traditional pavement is impermeable and prevents the ground from absorbing water, which can lead to urban heat island effects and flooding. Permeable materials improve the ground's infiltration abilities. The document provides examples of permeable concrete projects in Taiwan and describes the construction methods and benefits of permeable pavement and covers for drainage, groundwater retention, and reducing urban heating and flooding issues.