Two guys are sharing headphones and are listening to music on a subway.
Two friends are enjoying music together.
Two men are napping on the subway seats.
A man is riding a bike outside.
GDP per capita in 20135 doubles that of the level in the year 2000.
two cyclists racing
The snow skier enjoys his day off at the beach.
The children are yellow.
The data on marine casualties showed that accidents were often caused machine failure.