I have seen your post. Its very informative post. I am very glad to see your post.
You can visit Bangladesh and get tis types of information.

Bangladesh is a sovereign state in South Asia. The constitutional name of Bangladesh is the People's Republic of Bangladesh. Geopolitically, Bangladesh is bounded on the west by West Bengal, on the north by West Bengal, Assam and Meghalaya, on the east by Assam, Tripura and Mizoram, on the southeast by the Chinese states of Myanmar and Rakhine, and on the south coast by the Bay of Bengal. Bangladesh is located across the region. 56 international rivers flow through the riverine Bangladesh. To the north-east and south-east of Bangladesh are Tertiary mountains. The world's largest mangrove forest Sundarbans and the longest natural beach Cox's Bazar beach is located in Bangladesh . If you come Bangladesh You Must visit Lalbag Fort in Dhaka city. See the picture here.