green space line icons collection. serenity, oxygen, tranquility, biodiversity, sustainability, healthy, environment

vector icon line sign serenity oxygen tranquility biodiversity sustainability healthy environment calming vibrant nature revitalization botanical renewal relaxation shady refreshing greener zen ecosystem habitat rejuvenating open wildlife growth leafy prosperous blooming lush unrestricted pure foliage grasses horizon viridity untamed cool verdant cohere splendor illumination harmony naturalness verdurous perennial coalesce