Mr.. Michael (Austria) Testimony after completing the trek

Mr. Michael or Mike from Austria and with his friend Mr. Wolfgang from Germany did a Kedarnath, Gangotri to Tapovan trek. This testimony after finishing the Tapovan trek.
Mr. Michel also did multiple treks with us. The names of the treks are
1. Lamayuru to Darcha combined with Pin Parvati trek.
1. Srinagar to Ladakh and Rumtse to Tsomoriri trek
2. Kedarnath and Gangotri to Tapovan trek.