The ruins at Wat Nokor, an Angkorian temple dating from the eleventh century, contain a standard assortment of Angkor architecture. A visit to this site can easily be combined with a trip to the mountains of Pros and Srei. The city boasts the first bridge to be built over the Mekong River in Cambodia. The Kizuna Bridge was constructed in Kampong Cham and at 1500 metres in length was the longest bridge in Cambodia until the 1900 metre Thai-Cambodian bridge was built in Koh Kong took its place in 2002. The Kizuna Bridge links eastern and western Cambodia by road for the first time.