See here! The first stop is the Central School, Mr. Sun's alma mater.

At the age of twelve Mr. Sun left his home village Cuiheng, at Xiangshan in Guangdong, with his mother in 2 May 1878. Through Hong Kong, they headed to Honolulu of the United States, where his elder brother lived. It was the very first life-changing journey of Mr. Sun. When recalling his childhood, he remembered Hong Kong as the place where "I first saw the enthralling steamer and the vast sea, and so I started to admire the learning of the west, and wanted to know everything about the world." He would soon leave much of his revolutionary footprint in Hong Kong.