The first day is the daytime, the night is Guangzhou Tower. The second day is Longlan, Xiaomaifen, and the night is a nighttime Pearl River tour. Time is a bit tight, so you can only choose one to two gardens at Longlan.
First day, daytime goes to Longhua Buddhist Temple, evening at Guangzhou Tower. Second day, go to Longsheng Hot Springs and Xiaoyao Island, evening takes a night cruise on Pearl River. Time is a bit tight, can only choose one or two of these attractions.