London City

London is the capital city of England and the United Kingdom. London is the most populous region, urban zone and metropolitan area in the United Kingdom. Standing on the River Thames, London is a leading global city, with strengths in the arts, commerce, education, entertainment, fashion, finance, healthcare, media, professional services, research and development, tourism and transport all contributing to its prominence. It is one of the world's leading financial centres and has the fifth or six largest metropolian area GDP in the world depending on measurement. 
London is a world cultural capital. It is the world's most-visited city as measured by international arrivals and has the world's largest city airport system measured by passenger traffic. London's 43 universities form the largest concentration of higher education in Europe. In 2012, London became the first city to host the modern Summer Olympic Games three times.

Venice City

Venice,Italy

Venice is a city in northeastern Italy sited on a group of 118 small islands separated by canals and linked by bridges.It is located in the marshy Venetian Lagoon  which stretches along the shoreline between the mouths of the Po and the Piave Rivers. Venice is renowned for the beauty of its setting, its architecture and its artworks.The city in its entirety is listed as a Worlds Heritage Site, along with its lagoon.

Venice is a great city,a lot of beautiful small islands separated by canals and linked by bridges.This city is wonderful,so I let the pictures talk for me!You must visit this city :)