Photos: Concept cars which left the mark

Photos: Concept cars which left the mark

A model sits in a Haval E concept car from China's Great Wall Auto at Auto China 2012 in Beijing. (Reuters)

A model drives a Toyota i-REAL concept car at the Shanghai International Auto show. (Reuters)

Nissan's concept car R.D/B.X at the Tokyo Motor Show. (Reuters)

Toyota's RiN concept vehicle,a car designed to promote healthy living with seats that make the driver and passengers sit upright,a steering wheel that senses the driver's mood and visual displays to promote calm,is displayed. (Reuters)

A GT by Citroen concept car is seen at the Moscow Auto Salon (the Moscow International Motor Show). (Reuters)

The EN-V,or "Electric Networked-Vehicle",concept from General Motors is unveiled in Shanghai. (Reuters)