文化：

相扑：In Japan, Sumo is a traditionally competitive contact sport where a wrestler attempts to force another wrestler out of a circular ring. This sport has been widely popular in Japan from ancient times and nowadays modern companies running this game add business element such as advertisement, Live Broadcast into the traditional sport to attract more audience and make a mint.

Utopia: an ideal society apart from the demoralizing city

Terrorism: September 11 attacks in Washington and New York

威尼斯，巴厘岛：Venice, Bali Island( Sea levels are likely to rise by about 1.4 meters globally by 2100 as polar ice melts)

需要层次理论：Maslow’s hierarchy of needs(physiological needs(food,sleep,breathing),safety(security of health,property),love(friendship,family,sexual intimacy),esteem(respect of others,achievement),self-actualization(creativity,make the dream come true)

拆弹部队：EOD(Explosive Ordnance Disposal)，....or the only herit he left to his family is body bags.just like the movie The Hurt Locker described

咨询公司，慎密思考后行动：Research and Development，简称RAND。200 million dollars. The first quarter of 1950.Pentagon(五角大楼)