The opening of St Pancras International in 2007 might have been the most tangible sign of the area's redevelopment, but it's still something of an ongoing process.
Let's look at the area where Obama had the most tangible success: the economy.
The most tangible effect of this, according to consultants hired by area officials, is that air traffic would be layered, pushing some flights to lower altitudes to make space for other flights above.
However, with the growth of manufacturing since 1957, the impact on the process of urbanization and urban growth has been most tangible as the employment opportunities generated were located in the urban areas (Salari et al. 2013; Boori and Vozenilek 2014).
The foundation of accountable Pony Express history rests in the few tangible areas where records, papers, letters and mailings have yielded the most historical evidence.
The UN logo may be hard to escape, but these days the most tangible impact of the international presence is the cultural and economic uplift in upmarket areas such as Dardania.
He considers them his most tangible legacy.
Perhaps the most tangible catalyst is technology.
The most tangible change will be cost.
"This is the most tangible evidence of that".
