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Chinese thoughtful mother brings her son some food, he makes homework for the next day at school and is concentrated
top view green chicken curry with fresh vegetable over white background , asian style food
Balloon filled with water placed on a hot grill. An experiment that tests what would be the reaction of the balloon with the cold water to the heat comes off the grill.
Urban sports - woman running for better fitness in the city park on a cloudy summer day
illustration of several solar homes located in a meadow for an environmentally sustainable electric power and renewable
Rebuild Song dynasty town in dali, Yunnan province, China. Three pagodas and water with reflection
Young golf player on course doing golf swing, he presumably does exercise
Chinese thoughtful mother brings her son some food, he makes homework for the next day at school and is concentrated