How was it possible to make rock cut cave almost 1800 years ago ? Any technology ?

This is Lomas Rishi Cave, one of several man-made Barabar Caves.
The Barabar Hill Caves ( बराबर ) are the oldest surviving rock-cut caves in India, dating from the Maurya Empire (322–185 BCE), some with Ashokan inscriptions, located in the Makhdumpur region of Jehanabad district, Bihar, India, 24 km (15 mi) north of Gaya.
The cave of Lomas Rishi is probably the most famous of the caves of Barabar, because of its beautifully carved door. It is on the southern side of Barabar granite hill, and is adjacent to Sudama cave, which is on the left. Lomas Rishi consists of two rooms: a rectangular room measuring 9.86x5.18m, and a circular, semi-hemispherical room 5m in diameter, which is accessed from the rectangular room by a narrow rectangular passage.

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Sree Madiyan Koolom Kshethrapalaka Temple , Kanhangad Kerala.

The ceiling of this Temple is carved with minute sculptures representing the Nav Grahas.
Doesn't it look amazing 😍🤩 .

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Thailand hindu temple architecture.

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Don’t need to look for architecture in Egypt, Rome, Greece, etc., just take a look in India.

See the reflections in the pillar… How did they achieved that much finish?

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Kumbakonam Ramaswami Temple Sculptures.

The temple was built during the period of Thanjavur Nayaks king Achuthappa Nayak (1560 - 1614) and completed during the reign of Raghunatha Nayak (1600–34). The temple is enshrined within a huge granite wall and the complex contains all the shrines and the water bodies of the temple. The rajagopuram (the main gateway) has five tiers. There are exquisite sculptures on the pillars of the temple depicting various Hindu legends. Ramayanam is depicted in pictorial format in three segments in the first precinct
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Arunachalesvara Temple (also called Annamalaiyar Temple) is a Hindu temple dedicated to the deity Shiva, located at the base of Arunachala hill in the town of Thiruvannamalai in Tamil Nadu, India.

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रंगनाथ जी मन्दिर वृन्दावन ,मथुरा उत्तर प्रदेश.
Shri Rangnath Temple Vrindavan Uttar pradesh.

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Grishneshwar Jyotirlinga Temple Verul Ellora, Maharashtra.
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Sri Vishnu with Devi Lakshmi and Saraswati, 12th CE, a typical Pala era murti with the signature Kirtimukha on top. Bihar Museum ~Patna , Bihar.

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