CONCEPTS: bear, clock, stop

GEN: clocks stopped at the time each child was born

CONCEPTS: light, shade, window

GEN: a man opens the shades to let light into the window in the morning

CONCEPTS: bridge, city, pass

GEN: tower bridge open for a city to pass through leaving

CONCEPTS: barricade, police, protest, protester

GEN:
police and protesters face each other through a metal barricade during a protest on sunday .