England, London, Tower Bridge in evening light viewed from the south bank of the River Thames with an iconic red London bus crossing the bridge.

USA, Arizona, Monument Valley, A hot air balloon flying by the Three Sisters during Balloon Festival in the Navajo Tribal Park.

USA, Arizona, Monument Valley, Hot air balloons in the Monument Valley Balloon Festival in the Navajo Tribal Park.

Romania, Timis, Timisoara, Synagogue 1864, late light illuminating the towers and facade, with cyclists and pedestrians, old town.

Spain, Catalonia, Barcelona, Sagrada Familia exterior, Night time view of Passion facade and towers.

Slovenia, Ljubljana, Ljubljana Castle towers over the Old Town.

Slovenia, Ljubljana, Ljubljana Castle towers over the Old Town and the Ljubljanica River.

Slovenia, Ljubljana, Close up detail of the figures on the Robba Fountain with towers and dome of the Cathedral of St Nicholas in the background.

Slovenia, Ljubljana, Close up detail of the figures on the Robba Fountain with towers and dome of the Cathedral of St Nicholas in the background.

Slovenia, Ljubljana, Full length view of the Robba Fountain with towers and dome of the Cathedral of St Nicholas in the background.

Slovenia, Ljubljana, Mestni trg streetscape with towers and dome of the Cathedral of St Nicholas in the background.

Ireland, County Antrim, Belfast, Towers of the National Bar and Restaurant reflected in a modern glass building.