Arivananthan P.
Google
1. Candi Tikus, a 14th century bathing place in Majapahit empire capital city, Trowulan Archaeological Park, East Java, Indonesia.
2. Based on information from Wikipedia, this Candi probably built in the 13th-14th century and its usage is disputed between archaeologists. The "tikus" name came as when it was found back during 1915, it was said the temple was filled by rats.
3. Candi Tikus, a Majapahit-era temple is also believed to have functioned as a petirtaan (sacred bathing place) or a water reservoir and distribution system for the local population.
Note : Combined information from the Temple Site and Wikipedia