Please choose the correct ending to complete the given sentence: Camel ride: People gather in a tour facility in the dessert. Then, people rides camels pulled by men. the caravan advance

Ending1: through the forest to the mountain, then to the flat. Ending2: through the dusty roads at high speed. Ending3: , after the caravan pass the salted area. Ending4: in the desert, while the camels walk in line.

Answer format: ending1/ending2/ending3/ending4