并列题名：Weather in 30 seconds 并列题名：Maths in 30 seconds 并列题名：Great art in 30 seconds weather in 30 seconds 并列题名：Earth in 30 seconds 并列题名：Myths in 30 seconds 并列题名：Space in 30 seconds Weather in 30 seconds 并列题名：Oceans in 30 seconds weather in 30 seconds /