The thwacking of the cold wind was escalating as they drew closer to the River. Lucas didn't receive any information about the size of the river, but when he perceived the yellow area was widening as they approached it, made him conclude it must be a massive river.
A River comparable to the massive river on Earth… of course, it was only based on assumption.
He didn't sight the massive river on Earth, but he was confident it was a massive river they were about to travel.
The human leading them, precisely to the single man who appeared wary and alert of them, did not deviate from their straight course and was clearly heading towards the River.
'Didn't we talk about going to town? What's going on with walking towards the River? Do they perhaps want to take a bath? Maybe, they want us to look at it up close.'