The great Wall of China is one of the seven wonders of the world, and it's one of the top tourist destination ..
Lumbering is one of the best practices to attain Timbers but excessive cutting down of tress can easily lead to drought
Bush burning is one worst practices in land preperation because it causes soil infertility due to destruction of soil texture and killing of soil micro organism
Battery cage system in poultry is one of the best methods of rearing layers
Free range system of poultry farming is one of the cheapest and affordable way of earning income...
