Oman: 9 reasons to visit this amazing desert destination
https://edition.cnn.com/travel/article/9-reasons-to-visit-oman/index.html
I had assumed that Oman is totally covered with desert. But, there seems to be mountainous green areas in eastern part.
Since there is not railway system in the country, I won't visit the country with private purpose.
But, if Gulf Railway is built, I would like to visit the country.
