For decades, skyscrapers have served as iconic symbols of national pride or flashy trophies of corporate wealth, reshaping the skyline of the world's major urban centers. Perhaps in the future, the high-rise superstructures could also help revolutionize the way we travel.
She's the woman who raised you. Walked you to school on the first day. Cheered louder than all the other parents as you played soccer. Wiped the tears from your face when your heart broke for the very first time.
* FTSEurofirst 300 retreats from highs hit on Thursday* Telefonica falls after Q1 profits miss forecasts* Prospect of new ECB stimulus keeps some traders bullishBy Tricia WrightLONDON, May 9 (Reuters) - European shares retreated on Friday as a disappointing business update from telecoms group Telefonica TEF.MC sobered the mood from a rally the previous day.The pan-European FTSEurofirst 300 index .