Jesus entered Jerusalem to people laying down palm branches at His feet. This was a sign that He was a king in their eyes. Only Jesus knew that the same crowd would put Him to death 5 days later.
"And many spread their garments in the way: and others cut down boughs from the trees, and strewed them in the way. And they that went before and they that followed, cried, saying: Hosanna, blessed is he that cometh in the name of the Lord." -Mark 11:8-9