Sebastian (@sebi412) - Collective Profile | Berlin, DE Student at Humboldt Univerity. Recent posts: a man with blonde hair and glasses walks down a cobblestone path next to a body of water. he is wearing a green jacket, a white t-shirt, a striped tie, and baggy light-wash jeans, carrying a small black bag., a man in a white shirt and sunglasses poses at a party. the photo is taken at night with a unique light fixture in the background..