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The Yemeni highlands average about 1,830 m above sea level and rise at Jabal an Nabī Shu‘ayb to 3,760 m, the highest peak on the Arabian Peninsula.
To the west and south, the highlands drop abruptly to a low, flat coastal desert plain called the Tihāmah. The Tihāmah is hot, humid, and arid, and has little vegetation.
To the east and north, the highlands descend gradually to the interior plateau that holds the vast Arabian desert known as the Rub‘ al Khali (Empty Quarter). The eastern half of Yemen is basically uninhabitable exceprt for the region of Hadhramaut.
The mountainous island of Suqutra has rare plants species and sandy, white beaches. |
 Desert in the Ma'rib area |  Haraz mountains |  Coastline in southern Yemen |
 Desert landscape in southern Yemen |  Qat fields in Haraz mountains |  Landscape in southern Yemen |
 Fields in the Haraz mountains |  Desert landscape in southern Yemen |  Landscape in southern Yemen |