Guys, could this guy be attracted to me/fancy me?

so I'm going to be starting a new job soon and this colleague was showing me around the office. Maybe I'm looking too much into it, but I noticed he giggled a few times even if I didn't say anything funny. I noticed he looked at my hand a couples of times and my necklace. At some point we were sitting down for coffee, and he really lowered and softened his voice, I could almost not hear him. I was kinda confused because we were the only ones in the cafe. And then after that we were listening in on a meeting, and he was trying to get my attention without making noise and put a hand on my shoulder. I thought he could have whispered but maybe I didn't hear him. ANYWAY! what do you guys think? Could he be attracted to me or like me?
Guys, could this guy be attracted to me/fancy me?
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