Lush, rolling hills covered with dense pine forests under a clear sky

pine forest evergreen mountain lush hills dense forests pine trees rolling hills clear sky expansive landscape nature scenic wilderness outdoor serene tranquil natural beauty environment greenery mountainous landscape photography environmental conservation aerial photography panoramic view untouched nature rural area remote natural habitat ecotourism sustainable environment hiking terrain adventure destination forested area ecofriendly pristine altitude outdoor exploration vibrant ecosystem biodiverse unspoiled peaceful hillside terrain natural park mountainscape national park wildlife