Sian Hock Keng Temple Or a measure of happiness in heaven. Built to honor the goddess of the sea. That is believed to help protect the refugees arrived safely in Singapore banks. This temple is very elegant. And is known as the most beautiful temple in Singapore. Another wonder of this temple is. The entire structure of the temple was built without the use of even a single nail. Also, when you walk inside the temple. Must step foot over the threshold, which is extraordinarily high. It is believed that the protective deities in the temple. And so the people who come to worship, bow salute before walking into the temple.