Which constellations can only be seen in the southern hemisphere?

The most famous is the Southern Cross, just like the position of the Big Dipper in the northern hemisphere. The Southern Cross is the smallest of the 88 constellations in the whole day. It lies between Centauri and Flies. The main bright stars in the constellation, Cross I (γ), Cross II (α), Cross III (β) and Cross IV (δ) form a cross, which can basically be seen in the south of the Tropic of Cancer. This constellation can be regarded as.