Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to build a concrete pond [title] Envision the best design. [step] If you have a concept in mind, sketch the basic shape. Take into consideration the yard layout and your budget, which will dictate the size and style of the pond.

Ending1: Your pond is the pond with relatively significant yard. Think about finding a pond pond that is the right size. Ending2: Calculate your budget by making a list of the materials you'll need. [substeps] Search internet sites and home and garden magazines for concrete pond plans. Ending3: [substeps] Gravel pond are meant to be made of gravel, not solid clay. Gravel ponds should be built in pools, raised beds, or subways with gravel laying along the sides and walls. Ending4: Size, appearance, and shape of the pond will impact whether or not the concrete pond is going to be used for commercial purposes. This will ensure the basic design of the pond remains intact and stable, and everything else can be represented from this perspective.

Answer format: ending1/ending2/ending3/ending4