It was attended by Jon Chol Su, minister of Land and Environment Protection, and officials, scientists and teachers from the field of land and environment protection and relevant sectors.

Speakers talked about the achievements made in applying the advanced road-repairing methods, true to the Party's policy of ensuring the solidity and modernity of roads.

They explained about the importance of greening the surrounding areas in giving a facelift to roads and the requirements for its realization and the ways for putting the production of saplings, greening and management on a scientific basis.

There were a video show and a question-and-answer session on the road construction and management during the symposium.