According to the public relations of Golestan Palace World Heritage Complex report, Rudra Gaurav Shresth, the Ambassador of the Republic of India in Iran, planted a walnut sapling in this world complex at the same time as the beginning of the Natural Resources Week and Arbor Day.

This tree planting was done in the presence of Afarin Emami, director of the Golestan Palace World Heritage Complex, on the sidelines of the India in Golestan Exhibition and the specialized meeting of the exquisite jades of the Golestan Palace Treasury. Also, on this day, several orange and walnut saplings were planted in Golestan garden.