The review shows that more than 100 large trees are at high risk of falling or dangerous decaying trees that need cutting down. All of these trees or branches have been removed. The company also trimmed, raised the canopy, and lowered the height for about 700 shade trees, concentrated on the central streets. Many rotten trees with still-green leaves are difficult to detect based solely on experience and naked-eye observation.

Besides intensely directing the implementation of solutions to ensure the safety of urban trees in the rainy season, the Department of Construction requires its affiliates to set up plans to protect and preserve rare and precious trees, complete the statistics on the number of trees, location, route, type of tree, name, height, trunk diameter, year of planting, growth status and numbering on trees for effective management.