Tourists will find in Lhasathere are many sites of historic interest when they travel to Lhasa, including thePotala Palace, Jokhang Temple, Sera Monastery, Zhefeng Temple, Drepung Monastery and Norbulingka. The city of Lhasa contains three concentric paths used by pilgrims to circumambulate (walk around) the sacred Johkhang Temple, many of whom make full or partial prostrations along these routes in order to gain spiritual merit. The innermost, the Nangkor (Nang-skor), is contained within the Jokhang Temple, and surrounds the sanctuary of the Jowo Shakyamuni, the most sacred statue in Tibetan Buddhism. The middle circumambulatory, the Barkor (Bar-skor), passes through the Old Town and surrounds the Jokhang Temple and various other buildings in its vicinity. The outer Lingkor (Gling-skor) encircles the entire traditional city of Lhasa. Due to the construction of a large new street, Beijing Lam, the Lingkor is not usually used by pilgrims.Every August the Shoton Festival, one of Tibet's biggest traditional festivals, is held in Lhasa, which was first held in the 7th century.Generally the period from March to October is the best time to visit Tibet. Since Lhasa is located at such a high altitude it is wise to be prepared before starting your journey. However, because it also receives a great deal of sunshine, sunglasses, suntan oil, and a sun hat are indispensable items if you're beginning your Lhasa Travel in Tibet.