Uzbekistan:
mostly flat-to-rolling sandy desert with dunes; broad,
flat intensely irrigated river valleys along course of Amu Darya,
Sirdaryo (Syr Darya), and Zarafshon; Fergana Valley in east
surrounded by mountainous Tajikistan and Kyrgyzstan; shrinking Aral
Sea in west
Vanuatu:
mostly mountains of volcanic origin; narrow coastal plains
Venezuela:
Andes Mountains and Maracaibo Lowlands in northwest;
central plains (llanos); Guiana Highlands in southeast
Vietnam:
low, flat delta in south and north; central highlands;
hilly, mountainous in far north and northwest
Virgin Islands:
mostly hilly to rugged and mountainous with little
level land
Wake Island:
atoll of three coral islands built up on an underwater
volcano; central lagoon is former crater, islands are part of the rim
Wallis and Futuna:
volcanic origin; low hills
West Bank:
mostly rugged dissected upland, some vegetation in west,
but barren in east
Western Sahara:
mostly low, flat desert with large areas of rocky or
sandy surfaces rising to small mountains in south and northeast
World:
the greatest ocean depth is the Mariana Trench at 10,924 m in
the Pacific Ocean