Two videos online have gone viral on the internet. The recent video shows a motorist flashing the back lights of his car and slowly following an older lady pushing a wheelchair in order to make sure she crosses a wide intersection safely. The gentleman's kindness has attracted thousands of thumbs-up from social media users. Another video showed the chilling last moment of a victim of a hit-and-run accident who was hit by another car. It's an opportune time to discuss how can safety of pedestrians be enhanced?

　　Topic2-Here's the hardest word to spell in each state, according to Google

　　Can you spell "sauerkraut" [?sa??rkra?t] without looking? How about "Chihuahua," or perhaps "pneumonia?" If spelling those words trips you up, don't worry — you're not alone.

　　Google released a map of the words residents of each state in the US tend to have the hardest time spelling. The project is in honor of the National Spelling Bee in May.

　　Topic3-Trial Run for women only subway cars in Shenzhen

　　Hangzhou, east China's Zhejiang Province has piloted a program since June the 1st, which designates a special subway carriage for pregnant ladies, babies and kids. In Southern China, Shenzhen will run a trial for women-only subway cars to better facilitate the convenience and safety for their female passengers.

　　The move has received resistance on Sina weibo as many internet users do not agree with segregating people by gender.