People say that after days submerged in floodwater, when the water recedes, the ground is left with a dull, gloomy gray. Yet it is within that muted palette that the resilient life force of nature begins to sprout - taking root, greening again, and stirring with new vitality through the caring hands of the city’s green-park workers.

Green growth and sustainable development are the most talked-about topics since the COP26 conference, where Vietnam committed to the international community to achieve net-zero emissions by 2050. Since then, the story of attracting investment towards "greening" has gained even more attention.