![John Wenger on Twitter: "The average daily CO2 profile also nicely reflects the occupancy and activity in this area. Breakfast and dining times were staggered to control occupancy. Typically, there were 20-30 John Wenger on Twitter: "The average daily CO2 profile also nicely reflects the occupancy and activity in this area. Breakfast and dining times were staggered to control occupancy. Typically, there were 20-30](https://pbs.twimg.com/media/E_FKyt7XsAU_pfq.jpg)
John Wenger on Twitter: "The average daily CO2 profile also nicely reflects the occupancy and activity in this area. Breakfast and dining times were staggered to control occupancy. Typically, there were 20-30
![Shoppers at Carrefour in Northeast Philadelphia (July 1988). Carrefour is a French-based hypermarket concept that tried to expand to the United States with this store and one in Voorhees, NJ. Both would Shoppers at Carrefour in Northeast Philadelphia (July 1988). Carrefour is a French-based hypermarket concept that tried to expand to the United States with this store and one in Voorhees, NJ. Both would](https://i.redd.it/znizqtxiua431.jpg)
Shoppers at Carrefour in Northeast Philadelphia (July 1988). Carrefour is a French-based hypermarket concept that tried to expand to the United States with this store and one in Voorhees, NJ. Both would
![New Desing Wal-mart Metro Carrefour Supermarket Shopping Cart/trolley/hand Push Cart - Buy I Would Like To Know More About Your European Supermarket Shopping Trolley Cart,Shopping Trolley Smart Cart,Kids Metal Shopping Cart/trolley Product New Desing Wal-mart Metro Carrefour Supermarket Shopping Cart/trolley/hand Push Cart - Buy I Would Like To Know More About Your European Supermarket Shopping Trolley Cart,Shopping Trolley Smart Cart,Kids Metal Shopping Cart/trolley Product](https://sc04.alicdn.com/kf/HTB1KUxlKXXXXXa4XVXXq6xXFXXXJ.jpg)