The Plain of Jars, Phonsavan The Plain of Jars is a megalithic archeological site near the town of Phonsavan. Martin Siepmann/ age fotostock
The Jarres plains, a vast desert covered with stone containers of unknown origin, are found around Phonsavan town, north-east of Vientiane. Experts date the containers at over two thousand years old. A story even more mysterious than Stonehenge!