Complex sentence: Like the fans in Sentiago, te fans in Buenos Aires also prepared a special event to celebrate Shinee member's Jonghyun's birthday the fans prepared a cake and signs that said, "Happy Birthday Jonghyun!".
Split into simpler sentences: Like the fans in Sentiago, the fans in Buenos Aires also prepared a special event to celebrate Shinee member's Jonghyun's birthday. The fans prepared a cake and signs that said, "Happy Birthday Jonghyun!".