👉 Atap, also known as a "trench" or "tunnel," is a type of underground system created by drilling through land and filling it with concrete. It serves various purposes such as transportation infrastructure, sewage treatment systems, and irrigation channels. Atap construction typically involves the use of excavators and other machinery to create a tunnel that can be dug into the ground at a depth of several meters deep. Atap is often used in urban planning and development projects where there is limited space for
