A team of archaeologists uncovered ancient pottery shards dating back 3000 years

A national forest announced it will allow camping in more areas next yearA fashion brand started using recycled polyester to make its clothing

A city installed new traffic lights at busy intersectionsResearchers studied the impact of social media on teen self-esteemA bookstore hosted a poetry reading with local poets

A farm started selling homemade jams and jellies at the farmers marketA museum offered free admission on weekends for families

A gym started a rehabilitation program for people recovering from injuries

A government program helped homeowners install energy-efficient windowsA local café began offering free refills on coffee for customers who stay to work or study

Engineers designed a new type of building material that is stronger and more energy-efficientThe postal service introduced a new express delivery service for urgent packages

A celebrity chef created a special menu for a charity dinner to raise money for hunger reliefResearchers calculated that using public transportation instead of cars can reduce traffic congestion by 30%

(责任编辑：青海省)