Consider the following pairs:
(Historical Place) : (Well known for)
1. Burzahom : Rock cut shrines
2. Chandra ketugarh : Terracotta art
3. Ganeshwar : Copper artefacts
Which of the pairs given above is/are correctly matched?
1. 1 only
2. 1 and 2
3. 3 only
4. 2 and 3