The correct answer is D. Spiti valley.
Kibber is a village in the Spiti valley in the Indian state of Himachal Pradesh. It is the highest village in the world accessible by road, at an altitude of 4,270 metres (14,010 ft). The village is located in the Lahaul and Spiti district, about 200 kilometres (120 mi) from the district headquarters at Keylong.
Kibber is a small village with a population of about 200 people. The village is home to a number of Buddhist monasteries, including the Kibber Monastery, which is the largest monastery in the Spiti valley. The village is also home to a number of traditional Tibetan houses, which are built with stone and mud.
Kibber is a popular tourist destination, and the village is home to a number of hotels and guesthouses. The village is also a popular destination for trekking and mountaineering.
The other options are incorrect because:
- Kaza valley is a valley in the Spiti district of Himachal Pradesh, India. The valley is located at an altitude of 3,600 metres (11,800 ft) and is home to a number of villages, including Kaza, the district headquarters.
- Kullu valley is a valley in the Kullu district of Himachal Pradesh, India. The valley is located at an altitude of 1,200 metres (3,900 ft) and is home to a number of towns and villages, including Kullu, the district headquarters.
- Manali valley is a valley in the Kullu district of Himachal Pradesh, India. The valley is located at an altitude of 2,050 metres (6,725 ft) and is home to a number of towns and villages, including Manali, a popular tourist destination.