This event has a Google Hangouts video call.
Join: https://plus.google.com/hangouts/_/zs-hp.cz/pokusy-v-p?hceid=enMtaHAuY3pfZXIxaTg4MXZ0aXRobDUydGJxNDN1M2UxMGdAZ3JvdXAuY2FsZW5kYXIuZ29vZ2xlLmNvbQ.3j7j6bf3blms0l99amtb8ugbg0&hs=121