Ключевые слова: background, barcelona, beach, bottle, clean, cleanup, climate, coast, concept, conservation, container, dirty, disaster, dump, ecology, ecosystem, empty, environment, environmental, fishing, garbage, global warming, human, landfill, material, mediterranean sea, messy, nature, nobody, ocean, outdoor, picking, plastic, pollution, problem, protect, recycling, rubbish, sand, sea, social issues, toxic, trash, travel, unhygienic, volunteer, waste, water, wave, worker,