I use them with rings to get a greater depth - remember my grandad doing this as a kid and he always had a very productive greenhouse.

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Some of us live in the past, always talking about back then. Some of us live in the future, always planning what we are going to do. And, then there are those, who neither look behind or ahead, but just enjoy the moment of right now.

Which one are you and is it how you want to be?