All the main sightseeings of Armenia are situated near Yerevan - one of the most ancient cities in the world.

亚美尼亚主要的景观都集中在埃尔温附近，这座城市是当今世界最古老的城市之一。

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The actual search for such cosmic circles has been carried out by Vahe Gurzadyan of the Yerevan Physics Institute in Armenia.

亚美尼亚耶烈万物理研究所的瓦赫·古扎德亚已经采取实际行动去寻找这些宇宙圈。

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Young girls in Yerevan, Armenia, play in the mist created by the city's Republic Square fountain.

在亚美尼亚的埃里温，女孩们正在共和广场上的喷泉旁嬉戏。

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In Yerevan, Armenia, where I was last May, I noticed buses and lorries resplendent with rusty-looking cylinders of gas as their fuel supply, which is more cheaply obtained than liquid fuels, but I emphasise that it is petroleum gas (mainly propane and butane) that is used there and not biogas.

FORBES: U.K. Joins Europe On Biogas 'Waste Into Energy' Strategy