During the Spring Festival last year, Mr. Wang, who was traveling, climbed a mountain to a place and determined his location through GPS satellite positioning (Figure 1). please help

(1) According to the information in Figure 1, it can be judged that the longitude and latitude of site A is 60°W, 30°S.

(2) The town where Mr. Wang stayed is located in the southern hemisphere. The day and night conditions are long and short. This place is located in summer.

(3) In Figure 1, when traveling from point A to point B, you may encounter rivers along the way. The judgment is based on the part of the valley passing through in the picture, which is prone to rivers.

(4) According to the longitude and latitude in Figure 2, this area may be located in Yunnan Province.

(5) Among the four places ABCD, B represents the basin. The word for saddle is C.

(6) To build a reservoir in this area, the dam site should be selected at the outlet of the basin, where the construction volume is small and suitable for building a reservoir.

So the answer is:

(1) 60°W, 30°S;? (2) The days are long and the nights are short;? (3) Possible; the picture passes through the valley;? (4)D;? (5)B;C;

(6)