The capital of Armenia Yerevan will celebrate 2790th anniversary.

As the travel to South America for vacation purpose and business becomes more popular the capital of Brazil Brasilia comes into preeminent place along with the capital of Argentina.

The global impact of cities is the focus of cutting-edge research in a special issue of Yale's Journal of Industrial Ecology.

In April Europe's most advanced outdoor WiFi network will be switched on across the entire City of London - the famous Square Mile. More than 350,000 people who work in and visit the area now have wireless broadband access throughout the City. The network, built and operated by The Cloud, will have free access for the first month, provided in association with Nokia, enabling anyone with a WiFi-enabled device* to get online in the City for broadband internet access on the move.

Cities are considered by many to be a blessing and a curse. Large cities generate considerable wealth, they are home to many high paying jobs and are seen as engines of innovation. But cities also generate pollution, crime and poor social structures that lead to the urban blight that plagues their very existence.

Following a municipal decision to demolish a controversial housing development in Istanbul, called Acar Istanbul, during the construction of which hundreds of thousands of trees were cut down, a similar housing site in Istanbul's Sariyer district is undergoing demolition.