The Bayon was the last state temple to be built at Angkor, and the only Angkorian state temple to be built primarily as a Mahayana Buddhistshrine dedicated to the Buddha, though a great number of minor and local deities were also encompassed as representatives of the various districts and cities of the realm. It was the centrepiece of Jayavarman VII's massive program of monumental construction and public works, which was also responsible for the walls and nāga-bridges of Angkor Thom and the temples of Preah Khan, Ta Prohm and Banteay Kdei. You can read more here.
Mondulkiri is Cambodia’s largest, nevertheless least-populated province. the area features distinctive rolling hills, fine country views, wild natural landscapes, jungles, multiple of waterfalls and a unique indigenous culture. Sen Monorom - Mondulkiri’s city, at an altitude of about 800m above sea level, offers a refreshing break from the heat of Cambodia's lower plains. sen Monorom is found 370km north east of Phnom Penh. Traveling to Mondulkiri is easy now, since the road has been upgraded and paved . This large and quiet province, is one of Cambodia’s most lovely areas, and a beautiful destination to include whilst traveling around Cambodia. Mondulkiri is a rising destination for nature / eco-tourists and there are elephant & wildlife sanctuaries and Eco-tourism projects in the area.