"In the 16th and 17th centuries, wherever the Portuguese established a trading settlement, a church was built and Catholic missionaries were sent into the adjacent territories. As soon as the Portuguese were granted Macao as a trading place (1541),…

"Qiaopi and Yinxin are basically historical documents comprising letters and remittance receipts resulting from communications between Chinese emigrants all over the world and their families in China during the 19th and 20th centuries. ""Qiao"" means…