aerial view of kali gandaki river valley near marpha, nepal, with lush green fields and rugged mountains

nepal kali gandaki river valley marpha annapurna circuit aerial view mountains agriculture green fields orchards nature himalayas trekking landscape rugged arid village remote scenic travel tourism wilderness natural beauty farmland environment outdoor adventure forest river high altitude mountain cultivation himalayan trekking route picturesque terrain nepalese serene beaten path outdoors farming annapurna travel destination