This lecture delves into the historical significance of man-made units in architecture, tracing back to ancient times when modular elements were used to construct monumental structures. The conference organized by EAST Laboratory focuses on the sustainable use of materials, emphasizing innovation and diverse cultural perspectives. International experts will share their experiences and philosophies, aiming to foster intellectual exchange and collaboration. The reuse and rearrangement of modular elements have played a crucial role in architectural history, influencing even modern-day practices. The conference seeks to overcome communication barriers and promote significant exchange among experts from various fields and nationalities.