- Long Ampan Aing and Lidung Jelo were the most important of the Kenyah Badeng settlements in Plieran in early 1820s.
- Lidung Jelo, at Usun Apau Plieran ( Pliran / Plieran / Pleiran / Peliran ) is a fully abandoned Belaga district.
- There are a few old longhouse sites at this area such as Long Metalon, Long Ampan Aing ( Sungai Abanang ), Long Bora ( Sungai Bora ), Long Taa, Ka Laeh and Lidung Jelo.
- "' Lidung Jelo "'( also known as Lidong Jelor ) is a remote Kenyah's longhouse settlements in the mountainous interior located by the Plieran river bank, Belaga division of Sarawak.
- Most of them eventually start to move from Lidung Jelo go upstream Plieran and entered the Medang river ( a tributary of the hulu Plieran river ) adjacent to the river that flows into the Teboken river then Data river and settled at the confluence of the so-called Long Teboken.
- There are a few old longhouse sites at these areas such as Long Ampan Aing ( to the western ear, Ampan Aing in Kenyah enunciation sounded like Abanang or Ampan Ayng, hence Sungai Abanang or Abanine ), Long Bora ( Sungai Bora ), Long Taa, Ka Laeh, Lolau Mabo and Lidung Jelo.
- You will easily notice a variety of local fruit trees along the Plieran river bank with the most common being local fruit such as durian, rambutan, pulasan, bamboo, terap, langsat,'eman','nanga'or sago palm ( Eugeissona utilis ),'mali'and'bua'alim'( wild mango ) when you take a boat ride from Plieran bridge at Long Ampan Aing, Long Bora, Long Taa, Ka Laeh to Lidung Jelo ( upstream ).