answers: Raja Raja Chola I
context: most visited monument in Thanjavur is the Brihadeeswarar Temple, whose construction, the historian Percy Brown described as "a landmark in the evolution of building art in South India". Built in the 11th century by the Chola king Raja Raja Chola I (985–1014), the temple is dedicated to the Hindu god Shiva. The walls of the sanctum are covered with wall paintings from the Chola and Nayak periods. The temple was designated a UNESCO World Heritage Site in 1987. It is replicated in the Gangaikonda Cholesvarar Temple constructed by Raja Raja's son Rajendra Chola I (1012–44). The Thanjavur Maratha palace was </s> temple has many festivals in its calendar, with the Shivarathri during the Tamil month of "Masi" (February–March), Aipassi Pournami during "Aipassi" (October–November) and Thiruvadirai during "Margazhi" (December–January) being the most prominent. "Annabhishekam", the ablution of the presiding deity with cooked rice is performed during "Aipasi" festival. The temple features many sculptures and reliefs: Brihadisvara Temple, Gangaikonda Cholapuram Brihadisvara Temple at Gangaikonda Cholapuram is a Hindu temple dedicated to Shiva in Gangaikonda Cholapuram, Ariyalur district, in the South Indian state of Tamil Nadu. Completed in 1035 AD by Rajendra Chola I as a part of his new capital, this Chola dynasty </s> prominence over the presiding deity. The temple is believed to have been built by the Medieval Cholas of the late 8th century AD, with later contributions from Vijayanagar kings and Madurai Nayaks. A granite wall surrounds the temple, enclosing all its shrines and its bodies of water. Gajendra Varadha is believed to have appeared to Gajendra the elephant also called Indrajumnan, the crocodile called Koohoo, Sage Parasara and Sri Anjaneya. Six daily rituals and four yearly festivals are held at the temple, of which the Gajendra Moksha Leela, celebrated during the Tamil month of "Aadi" (July–August), is the most prominent.
question: who built the temple of bruhadiswara at tanjavore